{"product_id":"hex-lock-nuts-nylon-insert-grade-c-medium-carbon-phosphate-oil-5-8-18_63nscbb","title":"[50 PKG] Hex Lock Nuts Nylon Insert Grade C Medium Carbon Phosphate Oil 5\/8-18","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHex Lock Nuts Nylon Insert Grade C Medium Carbon Phosphate Oil 5\/8-18\u003c\/b\u003e delivers reliable locking action with a nylon insert to resist vibration and prevent loosening in demanding assemblies. Made from Grade C medium carbon steel and finished with a phosphate oil treatment, these nuts offer strength, durability, and dependable performance across engineering and industrial applications.\u003c\/p\u003e \u003cp\u003eKey benefits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eNylon insert locking mechanism\u003c\/b\u003e provides consistent torque resistance and prevents loosening under dynamic loads.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eGrade C medium carbon steel\u003c\/b\u003e combines toughness and strength for durable, reusable fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePhosphate oil finish\u003c\/b\u003e offers corrosion resistance and lubricity in challenging environments, reducing galling during installation.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size 5\/8-18\u003c\/b\u003e UNC compatibility, designed for standard 5\/8-18 fastener systems.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIndustrial-grade reliability\u003c\/b\u003e ideal for automotive, machinery, and equipment assemblies where vibration is a concern.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eApplications:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAutomotive and vehicle maintenance\u003c\/li\u003e \u003cli\u003eMachinery, equipment, and industrial fixtures\u003c\/li\u003e \u003cli\u003eGeneral engineering and construction where secure fastening is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this lock nut?\u003c\/p\u003e \u003cul\u003e \u003cli\u003eResists loosening under vibration\u003c\/li\u003e \u003cli\u003eExcellent durability with a robust locking nylon insert\u003c\/li\u003e \u003cli\u003eCorrosion resistance from phosphate oil finish\u003c\/li\u003e \u003cli\u003eEasy to install with standard tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379646075159,"sku":"63NSCBB","price":60.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/M18D985BB_b890d5ba-730a-4b01-9cdf-c8e245c26362.jpg?v=1744929267","url":"https:\/\/mutualscrew.com\/products\/hex-lock-nuts-nylon-insert-grade-c-medium-carbon-phosphate-oil-5-8-18_63nscbb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}