{"product_id":"heavy-hex-lock-nuts-ntu-nylon-inserts-thin-height-steel-zinc-1-3-4-5-_175nsntubb","title":"[5 PKG] Heavy Hex Lock Nuts NTU Nylon Inserts Thin Height Steel Zinc 1-3\/4-5","description":"\u003cdiv\u003e\n\u003cp\u003eHeavy Hex Lock Nuts NTU Nylon Inserts Thin Height Steel Zinc 1-3\/4-5 are engineered for secure, vibration-resistant fastening in a compact footprint. Crafted from strong steel with a durable zinc finish, these nuts combine a heavy hex shape with a nylon insert to provide locking action that resists loosening under dynamic loads. Size 1-3\/4-5 ensures compatibility with standard hardware kits while enabling tighter, cleaner assemblies.\u003c\/p\u003e \u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eNTU nylon insert lock nuts\u003c\/b\u003e with self-locking nylon insert create friction that resists loosening from vibration and shock.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThin height design\u003c\/b\u003e for spaces where standard nuts won't fit, enabling more compact assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial: steel with zinc plating\u003c\/b\u003e for corrosion resistance and long service life.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHeavy hex nut\u003c\/b\u003e provides better grip and torque tolerance for high-strength applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize: 1-3\/4-5\u003c\/b\u003e thread specification for compatible fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eUse in machinery, automotive, and structural assemblies where vibration or dynamic forces may loosen standard nuts. The NTU nylon insert achieves reliable locking without external locking devices.\u003c\/p\u003e \u003ch3\u003eInstallation and Care\u003c\/h3\u003e\n\u003cp\u003eHand-tighten, then tighten with a wrench to the recommended torque. Check fit periodically in harsh environments and replace if threads show wear. Store in a dry environment to prevent corrosion.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379630444823,"sku":"175NSNTUBB","price":113.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/14NUBB_d4ff15d0-20de-4c74-b0c7-a5fb53e33588.jpg?v=1744932310","url":"https:\/\/mutualscrew.com\/products\/heavy-hex-lock-nuts-ntu-nylon-inserts-thin-height-steel-zinc-1-3-4-5-_175nsntubb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}