{"id":313,"date":"2022-11-06T05:07:50","date_gmt":"2022-11-06T05:07:50","guid":{"rendered":"https:\/\/neosumk.com\/?page_id=313"},"modified":"2026-08-15T17:29:07","modified_gmt":"2026-08-15T09:29:07","slug":"neodymium-bar-magnets","status":"publish","type":"page","link":"https:\/\/ct.semitanker.com\/korea\/neodymium-bar-magnets\/","title":{"rendered":"\ub124\uc624\ub514\ubbb4 \ub9c9\ub300 \uc790\uc11d"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"313\" class=\"elementor elementor-313\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ebe29a8 e-con e-atomic-element e-div-block-base e-ebe29a8-5554c79 \" data-id=\"ebe29a8\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"ebe29a8\" data-e-type=\"e-div-block\" data-id=\"ebe29a8\">\n    \t\t<div class=\"elementor-element elementor-element-1b98f85 elementor-widget elementor-widget-html\" data-id=\"1b98f85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n.osenc-pdp{--osenc-navy:#0b2542;--osenc-blue:#123b63;--osenc-cyan:#1a8a9e;--osenc-text:#1e2936;--osenc-muted:#5e6b78;--osenc-soft:#eef4f7;--osenc-line:#d7e1e8;--osenc-white:#ffffff;--osenc-radius:14px;--osenc-shadow:0 10px 28px rgba(11,37,66,.08);color:var(--osenc-text);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.7;background:var(--osenc-white)}\r\n.osenc-pdp *{box-sizing:border-box}.osenc-pdp a{color:var(--osenc-blue)}.osenc-pdp a:focus-visible,.osenc-pdp summary:focus-visible{outline:3px solid rgba(26,138,158,.35);outline-offset:3px}.osenc-pdp .osenc-wrap{width:min(1280px,100%);margin:0 auto;padding:0 28px}.osenc-pdp .osenc-section{padding:76px 0}.osenc-pdp .osenc-soft{background:var(--osenc-soft)}.osenc-pdp .osenc-dark{background:var(--osenc-navy);color:#fff}.osenc-pdp .osenc-dark p,.osenc-pdp .osenc-dark li{color:#e7eef5}.osenc-pdp h1,.osenc-pdp h2,.osenc-pdp h3{margin:0 0 18px;color:var(--osenc-navy);line-height:1.2;letter-spacing:-.02em}.osenc-pdp h1{font-size:36px}.osenc-pdp h2{font-size:28px}.osenc-pdp h3{font-size:21px}.osenc-pdp .osenc-dark h2,.osenc-pdp .osenc-dark h3{color:#fff}.osenc-pdp p{margin:0 0 18px}.osenc-pdp .osenc-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:7px 11px;border:1px solid #b9ccd8;border-radius:999px;background:#f8fbfc;color:var(--osenc-blue);font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase}.osenc-pdp .osenc-lead{font-size:19px;line-height:1.65;color:#34495c;max-width:820px}.osenc-pdp .osenc-hero{padding:62px 0 56px;background:linear-gradient(180deg,#f7fafc 0%,#fff 100%)}.osenc-pdp .osenc-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:50px;align-items:center}.osenc-pdp .osenc-hero-media{background:#fff;border:1px solid var(--osenc-line);border-radius:18px;box-shadow:var(--osenc-shadow);min-height:470px;display:grid;place-items:center;padding:30px;overflow:hidden}.osenc-pdp .osenc-hero-media img{width:100%;height:auto;max-height:420px;object-fit:contain}.osenc-pdp .osenc-actions{display:flex;flex-wrap:wrap;gap:12px;margin:25px 0}.osenc-pdp .osenc-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:700;border:1px solid var(--osenc-blue);transition:transform .15s ease,background .15s ease}.osenc-pdp .osenc-btn-primary{background:var(--osenc-blue);color:#fff!important}.osenc-pdp .osenc-btn-secondary{background:#fff;color:var(--osenc-blue)!important}.osenc-pdp .osenc-btn:hover{transform:translateY(-1px)}.osenc-pdp .osenc-proof{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:22px}.osenc-pdp .osenc-proof-card{border:1px solid var(--osenc-line);border-radius:12px;background:#fff;padding:14px}.osenc-pdp .osenc-proof-card strong{display:block;color:var(--osenc-navy);font-size:16px;line-height:1.3;margin-bottom:5px}.osenc-pdp .osenc-proof-card span{display:block;color:var(--osenc-muted);font-size:13px;line-height:1.42}.osenc-pdp .osenc-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.osenc-pdp .osenc-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.osenc-pdp .osenc-grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.osenc-pdp .osenc-card{background:#fff;border:1px solid var(--osenc-line);border-radius:var(--osenc-radius);padding:23px;box-shadow:0 5px 18px rgba(11,37,66,.04)}.osenc-pdp .osenc-card p:last-child{margin-bottom:0}.osenc-pdp .osenc-badge{display:inline-block;margin-bottom:12px;padding:5px 9px;border-radius:7px;background:#e4f1f4;color:#0e6573;font-size:13px;font-weight:700}.osenc-pdp .osenc-checks{list-style:none;padding:0;margin:0}.osenc-pdp .osenc-checks li{position:relative;padding-left:28px;margin:9px 0}.osenc-pdp .osenc-checks li:before{content:'\u2713';position:absolute;left:0;top:0;color:var(--osenc-cyan);font-weight:800}.osenc-pdp .osenc-note{border-left:4px solid var(--osenc-cyan);background:#f6fafb;padding:18px 20px;border-radius:0 10px 10px 0;margin:24px 0}.osenc-pdp .osenc-callout{border:1px solid #bdd4de;background:#f7fbfc;border-radius:14px;padding:24px}.osenc-pdp .osenc-table-wrap{display:block;width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--osenc-line);border-radius:12px;background:#fff}.osenc-pdp .osenc-table-wrap>table{display:table!important;width:100%!important;max-width:none!important;min-width:720px!important;margin:0!important;border-collapse:collapse!important;table-layout:auto!important}.osenc-pdp th,.osenc-pdp td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--osenc-line)}.osenc-pdp th{background:#edf4f8;color:var(--osenc-navy);font-weight:700}.osenc-pdp tr:last-child td{border-bottom:0}.osenc-pdp .osenc-visuals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:30px}.osenc-pdp .osenc-diagram{border:1px solid var(--osenc-line);border-radius:14px;background:#fff;padding:24px}.osenc-pdp .osenc-bar-shape{position:relative;width:min(100%,460px);height:126px;margin:34px auto;background:linear-gradient(180deg,#eef1f3,#cfd6dc);border:1px solid #aeb8c0;border-radius:10px;box-shadow:inset 0 0 0 3px rgba(255,255,255,.45)}.osenc-pdp .osenc-dim{position:absolute;font-size:13px;font-weight:700;color:var(--osenc-blue)}.osenc-pdp .osenc-dim-l{left:50%;transform:translateX(-50%);bottom:-31px}.osenc-pdp .osenc-dim-w{right:-35px;top:50%;transform:translateY(-50%) rotate(90deg)}.osenc-pdp .osenc-dim-h{left:10px;top:-29px}.osenc-pdp .osenc-mag-arrow{position:relative;width:min(100%,460px);height:126px;margin:34px auto;background:linear-gradient(180deg,#eef1f3,#cfd6dc);border:1px solid #aeb8c0;border-radius:10px}.osenc-pdp .osenc-mag-arrow:after{content:'Magnetization direction';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:78%;padding:8px 12px;text-align:center;color:#fff;background:var(--osenc-blue);clip-path:polygon(0 28%,82% 28%,82% 0,100% 50%,82% 100%,82% 72%,0 72%);font-size:13px;font-weight:700}.osenc-pdp .osenc-mini{font-size:14px;color:var(--osenc-muted)}.osenc-pdp .osenc-split{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start}.osenc-pdp .osenc-steps{counter-reset:step;display:grid;gap:14px}.osenc-pdp .osenc-step{position:relative;padding:18px 18px 18px 62px;border:1px solid var(--osenc-line);border-radius:12px;background:#fff}.osenc-pdp .osenc-step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--osenc-blue);color:#fff;font-weight:700}.osenc-pdp .osenc-evidence{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:26px}.osenc-pdp .osenc-evidence div{border-top:3px solid var(--osenc-cyan);background:#fff;border-radius:10px;padding:18px;border-left:1px solid var(--osenc-line);border-right:1px solid var(--osenc-line);border-bottom:1px solid var(--osenc-line)}.osenc-pdp .osenc-evidence strong{display:block;color:var(--osenc-navy);margin-bottom:7px}.osenc-pdp details{border:1px solid var(--osenc-line);border-radius:10px;background:#fff;margin:12px 0;overflow:hidden}.osenc-pdp summary{cursor:pointer;padding:16px 18px;font-weight:700;color:var(--osenc-navy)}.osenc-pdp details p{padding:0 18px 18px;margin:0}.osenc-pdp .osenc-related a{display:block;text-decoration:none;padding:13px 0;border-bottom:1px solid var(--osenc-line);font-weight:700}.osenc-pdp .osenc-related a:last-child{border-bottom:0}.osenc-pdp .osenc-cta-box{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.osenc-pdp .osenc-rfq{margin:0;padding-left:20px}.osenc-pdp .osenc-rfq li{margin:7px 0}.osenc-pdp .osenc-media{margin:30px auto 0;max-width:1080px}.osenc-pdp .osenc-media img{display:block;width:100%;height:auto;border:1px solid var(--osenc-line);border-radius:14px;background:#fff;box-shadow:0 6px 20px rgba(11,37,66,.05)}.osenc-pdp .osenc-media-tight{margin-top:22px}.osenc-pdp .osenc-image-card{background:#fff;border:1px solid var(--osenc-line);border-radius:14px;padding:18px;box-shadow:0 5px 18px rgba(11,37,66,.04)}.osenc-pdp .osenc-image-card img{display:block;width:100%;height:auto;border-radius:10px}.osenc-pdp .osenc-image-card p:last-child{margin-bottom:0}.osenc-pdp .osenc-process-grid{counter-reset:step;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:24px}.osenc-pdp .osenc-center{text-align:center}.osenc-pdp .osenc-narrow{max-width:860px;margin-left:auto;margin-right:auto}@media(max-width:1000px){.osenc-pdp .osenc-proof{grid-template-columns:repeat(2,minmax(0,1fr))}.osenc-pdp .osenc-grid-4,.osenc-pdp .osenc-evidence,.osenc-pdp .osenc-process-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.osenc-pdp .osenc-wrap{padding:0 22px}.osenc-pdp .osenc-hero-grid,.osenc-pdp .osenc-split,.osenc-pdp .osenc-cta-box{grid-template-columns:1fr}.osenc-pdp .osenc-hero-media{min-height:380px}.osenc-pdp .osenc-grid-3{grid-template-columns:1fr 1fr}.osenc-pdp .osenc-visuals{grid-template-columns:1fr}.osenc-pdp .osenc-section{padding:62px 0}}@media(max-width:640px){.osenc-pdp .osenc-wrap{padding:0 16px}.osenc-pdp h1{font-size:30px}.osenc-pdp h2{font-size:24px}.osenc-pdp h3{font-size:20px}.osenc-pdp .osenc-lead{font-size:17px}.osenc-pdp .osenc-hero{padding:44px 0}.osenc-pdp .osenc-section{padding:50px 0}.osenc-pdp .osenc-grid-2,.osenc-pdp .osenc-grid-3,.osenc-pdp .osenc-grid-4,.osenc-pdp .osenc-proof,.osenc-pdp .osenc-evidence,.osenc-pdp .osenc-process-grid{grid-template-columns:1fr}.osenc-pdp .osenc-actions{display:grid}.osenc-pdp .osenc-btn{width:100%}.osenc-pdp .osenc-hero-media{min-height:300px;padding:20px}.osenc-pdp .osenc-card{padding:20px}.osenc-pdp .osenc-bar-shape,.osenc-pdp .osenc-mag-arrow{height:96px}.osenc-pdp .osenc-dim-w{right:-28px}.osenc-pdp .osenc-mag-arrow:after{width:88%;font-size:12px}.osenc-pdp .osenc-table-wrap>table{min-width:650px!important}}@media(prefers-reduced-motion:reduce){.osenc-pdp .osenc-btn{transition:none}}\r\n<\/style>\r\n<section class=\"osenc-pdp\">\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<div class=\"osenc-hero\">\r\n<div class=\"osenc-wrap osenc-hero-grid\">\r\n<div>\r\n<span class=\"osenc-kicker\">Custom NdFeB Bar Magnets<\/span>\r\n<h1>Neodymium Bar Magnets<\/h1>\r\n<p class=\"osenc-lead\">We manufacture custom sintered NdFeB bar magnets for OEM assemblies where a long, narrow magnetic footprint is required. Your approved drawing sets the dimensions, tolerance, pole direction, coating and inspection requirements, while grade selection is matched to the magnetic target and operating conditions. Send your L \u00d7 W \u00d7 H, tolerance, magnetization, temperature and quantity for quotation.<\/p>\r\n<div class=\"osenc-actions\">\r\n<a class=\"osenc-btn osenc-btn-primary\" href=\"https:\/\/ct.semitanker.com\/contact-us\/\">Send Drawing for Quote<\/a>\r\n<a class=\"osenc-btn osenc-btn-secondary\" href=\"#osenc-configure\">Configure Your Bar Magnet<\/a>\r\n<\/div>\r\n<div aria-label=\"Key neodymium bar magnet facts\" class=\"osenc-proof\">\r\n<div class=\"osenc-proof-card\"><strong>1\u2013254 mm<\/strong><span>custom length capability<\/span><\/div>\r\n<div class=\"osenc-proof-card\"><strong>\u00b10.10 mm<\/strong><span>standard quotation tolerance<\/span><\/div>\r\n<div class=\"osenc-proof-card\"><strong>N35\u2013N55<\/strong><span>plus high-temperature families<\/span><\/div>\r\n<div class=\"osenc-proof-card\"><strong>Custom Magnetization<\/strong><span>thickness, width, length and defined pole layouts<\/span><\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-hero-media\">\r\n<img fetchpriority=\"high\" alt=\"Neodymium bar magnets in multiple elongated rectangular sizes\" decoding=\"async\" fetchpriority=\"high\" height=\"900\" loading=\"eager\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-neodymium-bar-magnets-hero.webp\" width=\"1200\"\/>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Specification Range<\/span>\r\n<h2>Available dimensions, grades, coatings and magnetization<\/h2>\r\n<p class=\"osenc-lead\">We quote bar magnets in metric dimensions. The ranges below show the current capability for this product family; the approved drawing then becomes the production reference for the final geometry, tolerance, coating and magnetization.<\/p>\r\n<div aria-label=\"Neodymium bar magnet specification range\" class=\"osenc-table-wrap\" role=\"region\" tabindex=\"0\">\r\n<table>\r\n<thead><tr><th>Specification<\/th><th>OSENC Capability<\/th><th>Production Reference<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td>Length<\/td><td>1\u2013254 mm<\/td><td>Finished length and tolerance<\/td><\/tr>\r\n<tr><td>Width<\/td><td>0.5\u2013127 mm<\/td><td>Installation width and edge clearance<\/td><\/tr>\r\n<tr><td>Height<\/td><td>0.3\u2013120 mm<\/td><td>Thickness \/ height and pole direction<\/td><\/tr>\r\n<tr><td>Largest bar in current capability range<\/td><td>254 \u00d7 80 \u00d7 50 mm<\/td><td>Full geometry, tolerance and magnetization are locked on the approved drawing<\/td><\/tr>\r\n<tr><td>Smallest bar in current capability range<\/td><td>1 \u00d7 1 \u00d7 0.3 mm<\/td><td>Handling, coating and tolerance requirements are defined before production<\/td><\/tr>\r\n<tr><td>Tolerance<\/td><td>\u00b10.10 mm quotation reference; \u00b10.05 mm available on approved critical dimensions<\/td><td>Final tolerance is dimension-specific and locked on the approved drawing<\/td><\/tr>\r\n<tr><td>Standard grades<\/td><td>N35 \/ N38 \/ N40 \/ N42 \/ N45 \/ N48 \/ N50 \/ N52 \/ N54 \/ N55<\/td><td>Magnetic target, geometry and operating temperature<\/td><\/tr>\r\n<tr><td>High-temperature families<\/td><td>M \/ H \/ SH \/ UH \/ EH \/ AH<\/td><td>Exact grade suffix and demagnetization condition<\/td><\/tr>\r\n<tr><td>Standard coating<\/td><td>Ni-Cu-Ni<\/td><td>Environment and allowable coating build-up<\/td><\/tr>\r\n<tr><td>Optional coatings<\/td><td>Zinc \/ Epoxy \/ Ni-Cu-Ni + Epoxy \/ Parylene \/ Phosphate \/ Gold \/ PTFE<\/td><td>Humidity, water, chemical or wear exposure<\/td><\/tr>\r\n<tr><td>Magnetization<\/td><td>Through thickness standard; through width \/ through length available for drawing-defined projects<\/td><td>Pole direction and any multipole layout are controlled by the approved pole drawing<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<div class=\"osenc-note\"><strong>Large and unusual sizes:<\/strong> maximum values in separate dimensions are not automatically combinable. We look at the length, cross-section, tolerance, coating and magnetization together before quoting the part.<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\" id=\"osenc-configure\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Configure Your Magnet<\/span>\r\n<h2>We build the bar magnet around your assembly<\/h2>\r\n<p class=\"osenc-lead\">We start with the space available in your assembly and the magnetic job the part needs to do. From there, we set the dimensions, pole direction, coating and inspection requirements, then match the grade to the real magnetic circuit and operating conditions.<\/p>\r\n<div aria-label=\"Neodymium bar magnet configuration guide\" class=\"osenc-table-wrap\" role=\"region\" tabindex=\"0\">\r\n<table>\r\n<thead><tr><th>Specification Item<\/th><th>Our Starting Point<\/th><th>What Goes on the Order<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td>Geometry<\/td><td>Length \u00d7 Width \u00d7 Height<\/td><td>Show holes, countersinks, slots, steps, radii or custom ends on the drawing<\/td><\/tr>\r\n<tr><td>Tolerance<\/td><td>\u00b10.10 mm quotation reference<\/td><td>Critical dimensions can be specified to \u00b10.05 mm after drawing approval; tighter values require dimension-specific approval<\/td><\/tr>\r\n<tr><td>Grade<\/td><td>N35\u2013N55 range<\/td><td>Use M \/ H \/ SH \/ UH \/ EH \/ AH families when temperature or demagnetization resistance drives selection<\/td><\/tr>\r\n<tr><td>Magnetization<\/td><td>Through thickness<\/td><td>Through-width, through-length and defined multipole layouts are produced to the approved pole drawing<\/td><\/tr>\r\n<tr><td>Coating<\/td><td>Ni-Cu-Ni<\/td><td>Epoxy, Parylene, PTFE and other available systems are matched to humidity, water, chemical and wear exposure<\/td><\/tr>\r\n<tr><td>Magnetic acceptance<\/td><td>Grade + approved geometry<\/td><td>Gauss, flux or pull-force targets are tied to a defined and reproducible test condition<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<div class=\"osenc-note\"><strong>For a faster quotation:<\/strong> send the drawing, quantity, operating temperature, mating material or air gap, and any magnetic acceptance target. No finished drawing yet? Send the available installation space and magnetic task and we can start from there.<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Dimension &amp; Pole Direction<\/span>\r\n<h2>Specify dimensions and magnetization on the same drawing<\/h2>\r\n<p class=\"osenc-lead\">OSENC uses <strong>Length \u00d7 Width \u00d7 Height<\/strong> for page notation. For example, 90 \u00d7 3 \u00d7 2 mm means 90 mm long, 3 mm wide and 2 mm high. Pole direction should be shown separately instead of inferred from the size alone.<\/p>\r\n<div class=\"osenc-visuals\">\r\n<div class=\"osenc-image-card\">\r\n<h3>Dimension format<\/h3>\r\n<img loading=\"lazy\" alt=\"Neodymium bar magnet shown with a digital caliper as a dimensional reference\" decoding=\"async\" height=\"900\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-bar-magnet-dimensions-photo.webp\" width=\"1200\"\/>\r\n<p class=\"osenc-mini\" style=\"margin-top:10px\">Final dimensions and tolerances follow the approved drawing.<\/p>\r\n<p class=\"osenc-mini\" style=\"margin-top:14px\">Example: 90 \u00d7 3 \u00d7 2 mm = 90 mm \u00d7 3 mm \u00d7 2 mm.<\/p>\r\n<\/div>\r\n<div class=\"osenc-image-card\">\r\n<h3>Magnetization notation<\/h3>\r\n<img loading=\"lazy\" alt=\"Neodymium bar magnets showing representative through-thickness through-width and through-length pole directions\" decoding=\"async\" height=\"900\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-bar-magnet-pole-directions-photo.webp\" width=\"1200\"\/>\r\n<p class=\"osenc-mini\" style=\"margin-top:14px\">Through-thickness magnetization is the standard direction for this product family. Through-width, through-length and defined multipole layouts are also available when they are clearly shown on the pole drawing.<\/p>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-grid-3\" style=\"margin-top:24px\">\r\n<div class=\"osenc-card\"><h3>Standard bar<\/h3><p><strong>L \u00d7 W \u00d7 H<\/strong><br\/>Use drawing notes for chamfer, edge break and critical dimensions.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Bar with hole<\/h3><p>Define hole diameter, position and remaining edge material. Very small holes increase machining and fracture risk.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Machined bar<\/h3><p>We manufacture countersinks, slots, steps, radii and custom ends when the complete feature geometry is shown on the drawing.<\/p><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section osenc-soft\">\r\n<div class=\"osenc-wrap\">\r\n<div class=\"osenc-narrow osenc-center\">\r\n<span class=\"osenc-kicker\">Bar vs Block<\/span>\r\n<h2>When is a bar magnet the right geometry?<\/h2>\r\n<p>Use this product family when the magnet is clearly elongated and its length follows a rail, channel, housing, sensing path or linear assembly. More balanced rectangular or square geometries belong in our <a href=\"https:\/\/ct.semitanker.com\/neodymium-block-magnets\/\">neodymium block magnet<\/a> range.<\/p>\r\n<\/div>\r\n<div class=\"osenc-media\">\r\n<img loading=\"lazy\" alt=\"Elongated neodymium bar magnets beside compact rectangular block magnets for geometry comparison\" decoding=\"async\" height=\"900\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-bar-vs-block-magnet-photo.webp\" width=\"1200\"\/>\r\n<\/div>\r\n<div class=\"osenc-grid-3\" style=\"margin-top:30px\">\r\n<div class=\"osenc-card\"><span class=\"osenc-badge\">Choose Bar<\/span><h3>Long, narrow footprint<\/h3><p>The available installation space is elongated and the magnet needs to follow that geometry.<\/p><\/div>\r\n<div class=\"osenc-card\"><span class=\"osenc-badge\">Choose Block<\/span><h3>Balanced rectangular shape<\/h3><p>Length is not the defining dimension and the part behaves more like a conventional rectangular or square block.<\/p><\/div>\r\n<div class=\"osenc-card\"><span class=\"osenc-badge\">Define First<\/span><h3>Pole direction<\/h3><p>The correct outer size with the wrong magnetization is still the wrong part. Put pole direction on the drawing.<\/p><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section osenc-soft\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Grade &amp; Magnetic Output<\/span>\r\n<h2>Design for the magnetic result you actually need<\/h2>\r\n<p class=\"osenc-lead\">Grade matters, but it is only one part of the result. Geometry, pole direction, air gap and temperature all affect how much useful magnetic performance reaches the assembly, so we size the magnet around the complete working condition rather than the N-number alone.<\/p>\r\n<div class=\"osenc-grid-4\">\r\n<div class=\"osenc-card\"><h3>1. Geometry<\/h3><p>Length, cross-section and aspect ratio change the magnetic circuit and demagnetizing condition.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>2. Magnetization<\/h3><p>Through-thickness, width or length changes the pole faces presented to the assembly.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>3. Air gap<\/h3><p>Adhesive, plastic walls, paint, coating and assembly clearance can reduce usable magnetic interaction.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>4. Temperature<\/h3><p>Normal and maximum operating temperature influence grade-family selection and demagnetization margin.<\/p><\/div>\r\n<\/div>\r\n<div class=\"osenc-note\"><strong>For Gauss or pull-force requirements:<\/strong> we tie every numerical target to a defined test condition. Dimensions, grade, magnetization, mating steel, steel thickness, air gap, contact condition, probe position and test method all affect the measured result.<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Grade &amp; Temperature<\/span>\r\n<h2>Match the grade to temperature and demagnetization risk<\/h2>\r\n<p class=\"osenc-lead\">The values below are grade-family guidelines. We select the final grade from the magnet geometry, reverse field, operating temperature and the complete magnetic circuit.<\/p>\r\n<div aria-label=\"NdFeB grade family temperature guideline\" class=\"osenc-table-wrap\" role=\"region\" tabindex=\"0\">\r\n<table>\r\n<thead><tr><th>Grade Family<\/th><th>Typical Maximum Working Temperature<\/th><th>How We Choose<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td>Nxx<\/td><td>80\u00b0C<\/td><td>Exact grade matched to geometry and magnetic circuit<\/td><\/tr>\r\n<tr><td>NxxM<\/td><td>100\u00b0C<\/td><td>Specific M grade selected for the operating condition<\/td><\/tr>\r\n<tr><td>NxxH<\/td><td>120\u00b0C<\/td><td>Working and maximum temperature included in grade selection<\/td><\/tr>\r\n<tr><td>NxxSH<\/td><td>150\u00b0C<\/td><td>Selected with demagnetizing conditions included<\/td><\/tr>\r\n<tr><td>NxxUH<\/td><td>180\u00b0C<\/td><td>Selected against the complete magnetic circuit<\/td><\/tr>\r\n<tr><td>NxxEH<\/td><td>200\u00b0C<\/td><td>Selected against the complete magnetic circuit<\/td><\/tr>\r\n<tr><td>NxxAH<\/td><td>230\u00b0C<\/td><td>Selected against the complete magnetic circuit<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section osenc-soft\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Surface Protection<\/span>\r\n<h2>Coating options for dry, humid and corrosive environments<\/h2>\r\n<p class=\"osenc-lead\">Ni-Cu-Ni is our standard finish for dry indoor use. For humidity, water, chemicals or wear, we match the coating system to the actual service environment instead of treating one coating as a universal answer.<\/p>\r\n<div class=\"osenc-media osenc-media-tight\">\r\n<img loading=\"lazy\" alt=\"Representative surface finishes for neodymium bar magnets including metallic black and white coated examples\" decoding=\"async\" height=\"900\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-bar-magnet-coating-finishes.webp\" width=\"1200\"\/>\r\n<\/div>\r\n<div aria-label=\"Neodymium magnet coating selection guide\" class=\"osenc-table-wrap\" role=\"region\" style=\"margin-top:26px\" tabindex=\"0\">\r\n<table>\r\n<thead><tr><th>Environment<\/th><th>Our Coating Direction<\/th><th>What Goes on the Order<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td>Normal indoor \/ dry<\/td><td>Ni-Cu-Ni<\/td><td>Any critical coating thickness or appearance criteria<\/td><\/tr>\r\n<tr><td>General industrial<\/td><td>Ni-Cu-Ni<\/td><td>Wear, handling and exposure<\/td><\/tr>\r\n<tr><td>Humid environment<\/td><td>Epoxy \/ Ni-Cu-Ni + Epoxy<\/td><td>Moisture exposure and edge protection<\/td><\/tr>\r\n<tr><td>Higher corrosion concern<\/td><td>Parylene<\/td><td>Actual service exposure<\/td><\/tr>\r\n<tr><td>Water exposure<\/td><td>Parylene \/ PTFE<\/td><td>Immersion, splash or intermittent exposure<\/td><\/tr>\r\n<tr><td>Outdoor<\/td><td>Epoxy \/ Parylene<\/td><td>Weather exposure and required validation<\/td><\/tr>\r\n<tr><td>Salt \/ marine<\/td><td>Project-specific coating<\/td><td>Required corrosion test standard and acceptance criteria<\/td><\/tr>\r\n<tr><td>Acid \/ alkali<\/td><td>Project-specific coating selection<\/td><td>Chemical, concentration, temperature and exposure time<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Manufacturability<\/span>\r\n<h2>Designs that need a closer engineering check<\/h2>\r\n<p class=\"osenc-lead\">Simple rectangular bars with a standard coating and clear pole direction are straightforward to manufacture. Very thin, very long or heavily machined parts need more attention because NdFeB is hard and brittle, so we check the geometry before the drawing is released for production.<\/p>\r\n<div class=\"osenc-grid-2\" style=\"margin-bottom:26px\">\r\n<div class=\"osenc-callout\"><h3>Straightforward designs<\/h3><ul class=\"osenc-checks\"><li>Rectangular elongated geometry<\/li><li>Through-thickness magnetization<\/li><li>No complex holes or slots<\/li><li>Ni-Cu-Ni or clearly specified coating<\/li><li>Drawing with dimensions and tolerance<\/li><\/ul><\/div>\r\n<div class=\"osenc-callout\"><h3>Closer engineering check<\/h3><ul class=\"osenc-checks\"><li>The part is very thin or very long<\/li><li>Magnetization runs through a long dimension<\/li><li>Small holes or thin remaining walls are required<\/li><li>Multiple slots or complex machined features are present<\/li><li>The part will carry mechanical load or see aggressive clamping<\/li><\/ul><\/div>\r\n<\/div>\r\n<div aria-label=\"Neodymium bar magnet engineering control triggers\" class=\"osenc-table-wrap\" role=\"region\" tabindex=\"0\">\r\n<table>\r\n<thead><tr><th>Design Situation<\/th><th>What We Check<\/th><th>Why It Matters<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td>Very thin cross-sections<\/td><td>Handling, grinding, coating and edge condition<\/td><td>Thin sintered NdFeB parts are easier to chip or crack<\/td><\/tr>\r\n<tr><td>Long or high-aspect-ratio bars<\/td><td>Straightness, handling and magnetization route<\/td><td>Long, slender parts need tighter process handling<\/td><\/tr>\r\n<tr><td>Magnetization through the long direction<\/td><td>Magnetizing feasibility and pole definition<\/td><td>A long magnetization path changes the magnetizing requirement<\/td><\/tr>\r\n<tr><td>Small holes or thin remaining walls<\/td><td>Feature position, remaining material and machining risk<\/td><td>Local stress raises the risk of chips and cracks<\/td><\/tr>\r\n<tr><td>Multiple holes, slots or stepped features<\/td><td>Feature spacing and remaining cross-section<\/td><td>Complex machining reduces the amount of supporting material<\/td><\/tr>\r\n<tr><td>Large cross-sections or unusual combinations of dimensions<\/td><td>Handling, coating, magnetization and safe assembly<\/td><td>The complete geometry matters more than any single dimension<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<div class=\"osenc-note\"><strong>Design note:<\/strong> sintered NdFeB should not be used as a structural load-bearing member. Protect the magnet from impact, bending and concentrated clamping loads in the final assembly.<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section osenc-soft\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">Application Selection<\/span>\r\n<h2>Where bar magnet geometry works best<\/h2>\r\n<p class=\"osenc-lead\">Bar geometry works best when a long, narrow magnet follows the magnetic path, sensing path or available installation space better than a conventional block. We then match the pole direction, working gap, temperature and mechanical protection to that application.<\/p>\r\n<div class=\"osenc-media osenc-media-tight\">\r\n<img loading=\"lazy\" alt=\"Application scenes for neodymium bar magnets in sensors linear motion latches and tool holding\" decoding=\"async\" height=\"900\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-bar-magnet-applications-photo.webp\" width=\"1200\"\/>\r\n<\/div>\r\n<div class=\"osenc-grid-3\" style=\"margin-top:28px\">\r\n<div class=\"osenc-card\"><h3>Sensors &amp; switches<\/h3><p><strong>Why it fits:<\/strong> follows a longer sensing path or narrow housing.<\/p><p><strong>Key design inputs:<\/strong> pole direction, working gap and sensor position.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Electric motors<\/h3><p><strong>Why it fits:<\/strong> fits an elongated magnetic-circuit segment.<\/p><p><strong>Key design inputs:<\/strong> geometry, grade, operating temperature and pole orientation.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Linear actuators<\/h3><p><strong>Why it fits:<\/strong> aligns with the direction of linear motion.<\/p><p><strong>Key design inputs:<\/strong> magnet spacing, pole layout, air gap and moving envelope.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Magnetic latches<\/h3><p><strong>Why it fits:<\/strong> follows a long contact or closure area.<\/p><p><strong>Key design inputs:<\/strong> mating steel, contact area, air gap and required retention.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Fixtures, jigs &amp; holding rails<\/h3><p><strong>Why it fits:<\/strong> distributes holding or locating force along a narrow rail or fixture.<\/p><p><strong>Key design inputs:<\/strong> steel contact, air gap, cover thickness, impact protection and required holding force.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>OEM magnetic assemblies<\/h3><p><strong>Why it fits:<\/strong> bar magnets can be built into rails, housings and repeated magnetic circuits.<\/p><p><strong>Key design inputs:<\/strong> complete assembly geometry, pole layout, steel circuit, working gap and protection method.<\/p><\/div>\r\n\r\n\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<div class=\"osenc-narrow osenc-center\">\r\n<span class=\"osenc-kicker\">Why OSENC<\/span>\r\n<h2>Why OEM buyers use OSENC for custom bar magnets<\/h2>\r\n<p class=\"osenc-lead\">We keep the important details tied to one approved specification: geometry, tolerance, pole direction, coating, magnetic acceptance and packaging. That makes the move from sample to repeat production much cleaner and gives your purchasing and engineering teams one reference to work from.<\/p>\r\n<\/div>\r\n<div class=\"osenc-grid-3\" style=\"margin-top:28px\">\r\n<div class=\"osenc-card\"><h3>Built to the Drawing<\/h3><p>Critical L \u00d7 W \u00d7 H dimensions, tolerances and machined features follow the approved drawing.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Pole Direction Stays Clear<\/h3><p>Pole direction is shown on the drawing, so production and assembly teams are working from the same orientation.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>One Test Method for Magnetic Targets<\/h3><p>When Gauss, flux or pull force is specified, the test condition is defined with the target so repeat orders are judged the same way.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Coating Matched to the Environment<\/h3><p>The coating system is selected around humidity, water, chemicals, wear and the finished-dimension requirement.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Same Reference for Repeat Orders<\/h3><p>The approved drawing and inspection points stay with the part as the reference for repeat production.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Packaging Matched to the Magnet<\/h3><p>Polarity arrangement, spacing and protection are set around the magnet strength, geometry and handling needs.<\/p><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section osenc-soft\">\r\n<div class=\"osenc-wrap\">\r\n<div class=\"osenc-narrow osenc-center\">\r\n<span class=\"osenc-kicker\">Sample to Production<\/span>\r\n<h2>From first drawing to repeat production<\/h2>\r\n<p>We support custom prototypes and small trial quantities for new designs. Once the drawing, fit and inspection targets are approved, the same specification becomes the reference for repeat production.<\/p>\r\n<a class=\"osenc-btn osenc-btn-primary\" href=\"https:\/\/ct.semitanker.com\/contact-us\/\">Send Your Drawing to OSENC<\/a>\r\n<\/div>\r\n<div class=\"osenc-media\">\r\n<img loading=\"lazy\" alt=\"OSENC bar magnet production drawing and inspection workspace with technical drawings and inspection tools\" decoding=\"async\" height=\"900\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-custom-bar-magnet-review-workflow.webp\" width=\"1200\"\/>\r\n<p class=\"osenc-mini\" style=\"margin-top:10px\">Our workflow follows the approved drawing, agreed inspection points and order-specific packaging requirements.<\/p>\r\n<\/div>\r\n<div class=\"osenc-process-grid\">\r\n<div class=\"osenc-step\"><strong>Start with the drawing.<\/strong><br\/>We set L \u00d7 W \u00d7 H, tolerance, machining features and pole direction.<\/div>\r\n<div class=\"osenc-step\"><strong>Match the application.<\/strong><br\/>Working gap, mating material, temperature, coating environment and magnetic target are built into the specification.<\/div>\r\n<div class=\"osenc-step\"><strong>Validate the trial.<\/strong><br\/>The sample checks fit, polarity and any agreed dimensional or magnetic acceptance method before scaling.<\/div>\r\n<div class=\"osenc-step\"><strong>Repeat from the approved spec.<\/strong><br\/>The approved drawing, inspection points and packaging requirements stay as the production reference.<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\">\r\n<div class=\"osenc-wrap osenc-split\">\r\n<div>\r\n<span class=\"osenc-kicker\">RFQ Checklist<\/span>\r\n<h2>Send us these details for an accurate quotation<\/h2>\r\n<p class=\"osenc-lead\">Send as many of these inputs as you have. We use them to remove guesswork, define the magnet clearly and quote against the same requirements your engineering team expects.<\/p>\r\n<ol class=\"osenc-rfq\">\r\n<li>Length \u00d7 width \u00d7 height<\/li>\r\n<li>Critical dimensions and tolerance<\/li>\r\n<li>Grade, or the magnetic performance target if grade is unknown<\/li>\r\n<li>Magnetization direction \/ pole layout<\/li>\r\n<li>Coating or actual exposure condition<\/li>\r\n<li>Normal and maximum operating temperature<\/li>\r\n<li>Mating steel, sensor or other magnetic-circuit information<\/li>\r\n<li>Working air gap \/ adhesive \/ cover thickness<\/li>\r\n<li>Required inspection or test method<\/li>\r\n<li>Sample quantity, repeat quantity and delivery destination<\/li>\r\n<\/ol>\r\n<\/div>\r\n<div class=\"osenc-callout\">\r\n<span class=\"osenc-badge\">No Finished Drawing?<\/span>\r\n<h3>Send the space and the task<\/h3>\r\n<p>Send the available installation space, what the magnet needs to attract or sense, the working gap, temperature and expected quantity. We can start the configuration from those inputs before the final drawing is complete.<\/p>\r\n<a class=\"osenc-btn osenc-btn-primary\" href=\"https:\/\/ct.semitanker.com\/contact-us\/\">Send Application Requirements<\/a>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section osenc-soft\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-kicker\">FAQ<\/span>\r\n<h2>Common questions before you send an RFQ<\/h2>\r\n<details><summary>What sizes of neodymium bar magnets are available?<\/summary><p>OSENC manufactures within a current capability range of 1\u2013254 mm in length, 0.5\u2013127 mm in width and 0.3\u2013120 mm in height. The largest bar shown in this capability range is 254 \u00d7 80 \u00d7 50 mm and the smallest is 1 \u00d7 1 \u00d7 0.3 mm. Final three-dimensional geometry is controlled by the approved drawing.<\/p><\/details>\r\n<details><summary>What tolerance can I specify?<\/summary><p>OSENC uses \u00b10.10 mm as the quotation reference tolerance, with \u00b10.05 mm available on approved critical dimensions. Tighter requirements are handled dimension by dimension on the production drawing.<\/p><\/details>\r\n<details><summary>Should I choose N52 if I need a stronger magnet?<\/summary><p>Not automatically. OSENC selects grade together with geometry, pole direction, air gap, mating material, temperature and demagnetizing conditions. The required assembly performance determines the grade family, not the N-number alone.<\/p><\/details>\r\n<details><summary>How do I specify magnetization direction?<\/summary><p>Show the pole direction on your drawing. Through-thickness is the standard direction, while through-width, through-length and defined multipole layouts are produced for drawing-defined projects.<\/p><\/details>\r\n<details><summary>Can you quote pull force or surface Gauss?<\/summary><p>Yes. OSENC quotes numerical pull-force or surface-Gauss acceptance when the part and test condition are defined. Pull-force specifications include mating steel, thickness, contact condition and pull direction; Gauss specifications include probe position and orientation.<\/p><\/details>\r\n<details><summary>Can bar magnets include holes, slots or countersinks?<\/summary><p>Yes. OSENC produces drawing-defined round holes, countersinks, slots, steps, radii and custom end features. Very small holes and thin remaining walls receive tighter machining and breakage control.<\/p><\/details>\r\n<details><summary>Can I start with a prototype or small trial quantity?<\/summary><p>Yes. OSENC quotes custom prototypes and small trial quantities. For new applications, sample validation locks fit, magnetic output, coating and assembly behavior before repeat production.<\/p><\/details>\r\n<details><summary>What is the difference between a neodymium bar magnet and a block magnet?<\/summary><p>OSENC classifies a magnet as a bar when elongated length is a defining part of the design. More balanced rectangular or square geometries are handled within the neodymium block magnet family.<\/p><\/details>\r\n<\/div>\r\n<\/div><div class=\"osenc-section\">\r\n<div class=\"osenc-wrap osenc-split\">\r\n<div>\r\n<span class=\"osenc-kicker\">Related Options<\/span>\r\n<h2>Compare adjacent neodymium magnet families<\/h2>\r\n<div class=\"osenc-related\">\r\n<a href=\"https:\/\/ct.semitanker.com\/neodymium-block-magnets\/\">Neodymium Block Magnets \u2192<\/a>\r\n<a href=\"https:\/\/ct.semitanker.com\/custom-neodymium-magnets\/\">Custom Neodymium Magnets \u2192<\/a>\r\n<a href=\"https:\/\/ct.semitanker.com\/micro-magnets\/\">Micro Neodymium Magnets \u2192<\/a>\r\n<a href=\"https:\/\/ct.semitanker.com\/big-neodymium-magnets\/\">Large Neodymium Magnets \u2192<\/a>\r\n<a href=\"https:\/\/ct.semitanker.com\/neodymium-magnets\/\">Neodymium Magnet Guide \u2192<\/a>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-card\">\r\n<h3>Bar or block?<\/h3>\r\n<p>If you already have a drawing, send the geometry and required pole direction. We route the part to the right bar, block or custom NdFeB production family.<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"osenc-section osenc-dark\">\r\n<div class=\"osenc-wrap osenc-cta-box\">\r\n<div>\r\n<span class=\"osenc-kicker\">Custom Quote<\/span>\r\n<h2>Send your neodymium bar magnet drawing<\/h2>\r\n<p>Send the dimensions, tolerance, grade or magnetic target, magnetization, coating, temperature, application, sample or repeat quantity and destination. We turn those inputs into a clear quotation specification and production drawing.<\/p>\r\n<\/div>\r\n<div class=\"osenc-center\"><a class=\"osenc-btn osenc-btn-primary\" href=\"https:\/\/ct.semitanker.com\/contact-us\/\">Request a Neodymium Bar Magnet Quote<\/a><\/div>\r\n<\/div>\r\n<\/div><\/section>\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\":\"https:\/\/schema.org\",\r\n  \"@type\":\"Product\",\r\n  \"name\":\"Neodymium Bar Magnets\",\r\n  \"url\":\"https:\/\/ct.semitanker.com\/neodymium-bar-magnets\/\",\r\n  \"image\":[\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/08\/osenc-neodymium-bar-magnets-hero.webp\"],\r\n  \"description\":\"Custom sintered NdFeB bar magnets manufactured by OSENC within a current length capability of 1\u2013254 mm, with N35\u2013N55 grades plus high-temperature families, custom magnetization, coating and drawing-controlled tolerance options for OEM assemblies.\",\r\n  \"brand\":{\"@type\":\"Brand\",\"name\":\"OSENC\"},\r\n  \"category\":\"Neodymium Bar Magnets\",\r\n  \"material\":\"Neodymium-iron-boron (NdFeB)\",\r\n  \"additionalProperty\":[\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Length range\",\"value\":\"1\u2013254 mm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Width range\",\"value\":\"0.5\u2013127 mm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Height range\",\"value\":\"0.3\u2013120 mm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Largest bar in current capability range\",\"value\":\"254 \u00d7 80 \u00d7 50 mm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Smallest bar in current capability range\",\"value\":\"1 \u00d7 1 \u00d7 0.3 mm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Grades\",\"value\":\"N35 \/ N38 \/ N40 \/ N42 \/ N45 \/ N48 \/ N50 \/ N52 \/ N54 \/ N55; M, H, SH, UH, EH and AH families\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Tolerance reference\",\"value\":\"\u00b10.10 mm quotation reference; \u00b10.05 mm available on approved critical dimensions\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Standard coating\",\"value\":\"Ni-Cu-Ni\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Magnetization\",\"value\":\"Through thickness standard; through width and through length available for drawing-defined projects\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Dimension format\",\"value\":\"Length \u00d7 Width \u00d7 Height\"}\r\n  ]\r\n}\r\n<\/script>\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\":\"https:\/\/schema.org\",\r\n  \"@type\":\"FAQPage\",\r\n  \"mainEntity\":[\r\n    {\"@type\":\"Question\",\"name\":\"What sizes of neodymium bar magnets are available?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OSENC manufactures within a current capability range of 1\u2013254 mm in length, 0.5\u2013127 mm in width and 0.3\u2013120 mm in height. The largest bar shown in this capability range is 254 \u00d7 80 \u00d7 50 mm and the smallest is 1 \u00d7 1 \u00d7 0.3 mm. Final three-dimensional geometry is controlled by the approved drawing.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"What tolerance can I specify?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OSENC uses \u00b10.10 mm as the quotation reference tolerance, with \u00b10.05 mm available on approved critical dimensions. Tighter requirements are handled dimension by dimension on the production drawing.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Should I choose N52 if I need a stronger magnet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not automatically. OSENC selects grade together with geometry, pole direction, air gap, mating material, temperature and demagnetizing conditions. The required assembly performance determines the grade family, not the N-number alone.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"How do I specify magnetization direction?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Show the pole direction on your drawing. Through-thickness is the standard direction, while through-width, through-length and defined multipole layouts are produced for drawing-defined projects.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Can you quote pull force or surface Gauss?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. OSENC quotes numerical pull-force or surface-Gauss acceptance when the part and test condition are defined. Pull-force specifications include mating steel, thickness, contact condition and pull direction; Gauss specifications include probe position and orientation.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Can bar magnets include holes, slots or countersinks?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. OSENC produces drawing-defined round holes, countersinks, slots, steps, radii and custom end features. Very small holes and thin remaining walls receive tighter machining and breakage control.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Can I start with a prototype or small trial quantity?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. OSENC quotes custom prototypes and small trial quantities. For new applications, sample validation locks fit, magnetic output, coating and assembly behavior before repeat production.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"What is the difference between a neodymium bar magnet and a block magnet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OSENC classifies a magnet as a bar when elongated length is a defining part of the design. More balanced rectangular or square geometries are handled within the neodymium block magnet family.\"}}\r\n  ]\r\n}\r\n<\/script>\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Custom NdFeB Bar Magnets Neodymium Bar Magnets We manufacture custom sintered NdFeB bar magnets for OEM assemblies where a long, narrow magnetic footprint is required. Your approved drawing sets the dimensions, tolerance, pole direction, coating and inspection requirements, while grade selection is matched to the magnetic target and operating conditions. Send your L \u00d7 W [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2401,"parent":0,"menu_order":30,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-313","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/pages\/313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/comments?post=313"}],"version-history":[{"count":15,"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/pages\/313\/revisions"}],"predecessor-version":[{"id":8689,"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/pages\/313\/revisions\/8689"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/media\/2401"}],"wp:attachment":[{"href":"https:\/\/ct.semitanker.com\/korea\/wp-json\/wp\/v2\/media?parent=313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}