{"product_id":"metric-nylon-lock-nuts-stainless","title":"316\/A4 Stainless Metric Nyloc Lock Nuts","description":"\u003ch2 data-end=\"265\" data-start=\"196\"\u003e\u003cstrong data-end=\"265\" data-start=\"199\"\u003e316 Stainless Steel (A4-70) DIN 985 Metric Nyloc Lock Nuts\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"606\" data-start=\"267\"\u003eWhen vibration and movement threaten to loosen ordinary nuts, \u003cstrong data-end=\"408\" data-start=\"329\"\u003eDIN 985 nylon insert lock nuts provide a proven mechanical locking solution\u003c\/strong\u003e. Our DIN 985 lock nuts are manufactured from \u003cstrong data-end=\"486\" data-start=\"454\"\u003eA4-70 grade 316 stainless steel\u003c\/strong\u003e and fitted with a precision molded nylon insert that resists loosening even under shock, vibration, and cyclic loading.\u003c\/p\u003e\n\u003cp data-end=\"964\" data-start=\"608\"\u003eThese nuts are designed to meet the \u003cstrong data-end=\"664\" data-start=\"644\"\u003eDIN 985 standard\u003c\/strong\u003e, which specifies the thread form, nut height, and locking insert position to ensure consistent performance. As the bolt is tightened, the threads engage the nylon insert, creating friction that prevents the nut from backing off while still allowing the fastener to be removed and reused when needed.\u003c\/p\u003e\n\u003cp data-end=\"1005\" data-start=\"966\"\u003eThis makes DIN 985 lock nuts ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1039\" data-start=\"1009\"\u003eMarine and offshore hardware\u003c\/li\u003e\n\u003cli data-end=\"1074\" data-start=\"1042\"\u003eEngines and mechanical systems\u003c\/li\u003e\n\u003cli data-end=\"1116\" data-start=\"1077\"\u003eDeck hardware and rigging attachments\u003c\/li\u003e\n\u003cli data-end=\"1150\" data-start=\"1119\"\u003eTrailers and towing equipment\u003c\/li\u003e\n\u003cli data-end=\"1185\" data-start=\"1153\"\u003eMachinery and equipment frames\u003c\/li\u003e\n\u003cli data-end=\"1226\" data-start=\"1188\"\u003eAutomotive and industrial assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1417\" data-start=\"1228\"\u003eUnlike standard hex nuts, nylon insert lock nuts \u003cstrong data-end=\"1328\" data-start=\"1277\"\u003emaintain preload even when exposed to vibration\u003c\/strong\u003e, making them critical in environments where fasteners are constantly being worked loose.\u003c\/p\u003e\n\u003ch3 data-end=\"1446\" data-start=\"1419\"\u003e\u003cstrong data-end=\"1446\" data-start=\"1423\"\u003eWhy DIN 985 Matters\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1721\" data-start=\"1447\"\u003eDIN 985 defines the \u003cstrong data-end=\"1523\" data-start=\"1467\"\u003enut geometry, thread tolerance, and insert placement\u003c\/strong\u003e so that locking force is consistent from nut to nut. These are not generic nylock nuts. They are \u003cstrong data-end=\"1659\" data-start=\"1621\"\u003eprecision metric locking fasteners\u003c\/strong\u003e designed to work properly with metric bolts and threaded rod.\u003c\/p\u003e\n\u003cp data-end=\"1857\" data-start=\"1723\"\u003eA proper DIN 985 nut grips the threads firmly without damaging them, ensuring reliable locking without compromising fastener strength.\u003c\/p\u003e\n\u003ch3 data-end=\"1901\" data-start=\"1859\"\u003e\u003cstrong data-end=\"1901\" data-start=\"1863\"\u003eMaterial: A4 \/ 316 Stainless Steel\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2051\" data-start=\"1902\"\u003eThe nut body is made from \u003cstrong data-end=\"1969\" data-start=\"1928\"\u003eA4 stainless steel, also known as 316\u003c\/strong\u003e, offering exceptional resistance to corrosion in marine and coastal environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"2099\" data-start=\"2055\"\u003eOutstanding resistance to rust and pitting\u003c\/li\u003e\n\u003cli data-end=\"2158\" data-start=\"2102\"\u003eHighly resistant to saltwater, humidity, and chemicals\u003c\/li\u003e\n\u003cli data-end=\"2192\" data-start=\"2161\"\u003eExcellent mechanical strength\u003c\/li\u003e\n\u003cli data-end=\"2223\" data-start=\"2195\"\u003eLong service life outdoors\u003c\/li\u003e\n\u003cli data-end=\"2259\" data-start=\"2226\"\u003eNon-magnetic in most conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2392\" data-start=\"2261\"\u003eThe nylon insert is resistant to oils, fuels, and most common chemicals, making it suitable for marine and mechanical applications.\u003c\/p\u003e","brand":"Fair Wind Fasteners","offers":[{"title":"M4-0.7","offer_id":47431085195476,"sku":"SS-NYLOC-M4-.7","price":0.1,"currency_code":"USD","in_stock":true},{"title":"M5-0.8","offer_id":47502451704020,"sku":"SS-NYLOC-M5-0.8","price":0.12,"currency_code":"USD","in_stock":false},{"title":"M6-1.0","offer_id":47431085261012,"sku":"SS-NYLOC-M6-1.0","price":0.14,"currency_code":"USD","in_stock":true},{"title":"M8-1.25","offer_id":47431085293780,"sku":"SS-NYLOC-M8x1.25","price":0.25,"currency_code":"USD","in_stock":true},{"title":"M10-1.5","offer_id":47431085326548,"sku":"SS-NYLOC-M10x1.5","price":0.51,"currency_code":"USD","in_stock":true},{"title":"M12-1.75","offer_id":47431085359316,"sku":"SS-NYLOC-M12x1.75","price":0.98,"currency_code":"USD","in_stock":true},{"title":"M16-2.0","offer_id":47431085424852,"sku":"SS-NYLOC-M16x2.0","price":1.89,"currency_code":"USD","in_stock":true},{"title":"M20-2.5","offer_id":47566991851732,"sku":"SS-NYLOC-M20-2.5","price":5.7,"currency_code":"USD","in_stock":true},{"title":"M30-3.5","offer_id":47566992441556,"sku":"SS-NYLOC-M30-3.5","price":24.6,"currency_code":"USD","in_stock":true},{"title":"M3-0.5","offer_id":47901092937940,"sku":"SS-NYLOC-M3-.5","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0486\/6067\/6775\/files\/MetricStainlessNylocLockNutDIN98501.jpg?v=1768492292","url":"https:\/\/fairwindfasteners.com\/products\/metric-nylon-lock-nuts-stainless","provider":"Fair Wind Fasteners","version":"1.0","type":"link"}