{"product_id":"hex-lock-nuts-nu-nylon-inserts-steel-zinc-3-8-16_37nubb","title":"[100 PKG] Hex Lock Nuts NU Nylon Inserts Steel Zinc 3\/8-16","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eHex Lock Nuts NU Nylon Inserts Steel Zinc 3\/8-16\u003c\/strong\u003e are precision-engineered self-locking fasteners designed to keep assemblies secure in vibration-prone environments. The nylon insert creates friction that resists loosening, while the steel body with a zinc finish provides durable corrosion resistance for long-lasting performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSelf-locking nylon insert (NU):\u003c\/b\u003e The nylon insert increases friction to prevent loosening under shock and vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/8-16 inch standard coarse thread for wide compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial and finish:\u003c\/b\u003e Steel with a zinc plating for corrosion resistance and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex nut design:\u003c\/b\u003e Easy to drive or hold with standard wrenches for quick installation.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for machinery, automotive, construction, and outdoor equipment where vibration is common.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to use: Align the nut with a compatible 3\/8-16 bolt, hand-tighten, then use a wrench to snug the nut. Do not reuse if the nylon insert is damaged or worn.\u003c\/p\u003e \u003cp\u003eWhy choose these hex lock nuts? They combine reliable self-locking performance with a durable steel zinc finish, delivering secure assemblies that stay tight even in challenging conditions.\u003c\/p\u003e \u003cp\u003eAdd to cart today and secure your equipment with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379627528471,"sku":"37NUBB","price":24.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/14NUBB_a0336e62-5067-4b6a-bc33-8964d60505cb.jpg?v=1744922389","url":"https:\/\/mutualscrew.com\/products\/hex-lock-nuts-nu-nylon-inserts-steel-zinc-3-8-16_37nubb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}