{"product_id":"14-20-serrated-flange-hex-lock-nuts-case-hardened","title":"1\/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78\/90 With Black Zinc Bake Finish Gritty Heavy-Duty Locknuts For Auto Machinery And DIY Projects High-Precision Durable Hardware Pack Of 50","description":"\u003cdiv\u003e1\/4-20 Serrated Flange Hex Lock Nut, Black Zinc HR15N\u003cbr\u003e\n✔️ 1\/4-20 thread, serrated flange, case hardened HR15N, pack of 50 \u003cp\u003eThese 1\/4-20 serrated flange hex lock nuts provide a secure locking solution for metal assemblies. Used in automotive, machinery, and DIY projects where vibration may cause fasteners to loosen.\u003c\/p\u003e ✅ Thread: 1\/4-20\u003cbr\u003e\n✅ Style: Serrated flange hex lock nut\u003cbr\u003e\n✅ Finish\/Material: Case hardened HR15N, black zinc and bake\u003cbr\u003e\n✅ Pack: 50 nuts\u003cbr\u003e\n✅ Part number: 14NRBZ\u003cbr\u003e\n✅ Origin: Taiwan, Province of China\u003cbr\u003e\n✅ Package dimensions: 5 in L x 1 in H x 5 in W\u003cbr\u003e \u003cp\u003e💡 What is a lock nut used for and how does it prevent loosening under vibration?\u003c\/p\u003e\n\u003cp\u003eLock nuts are handy for keeping fasteners tight in moving parts. Quick, scannable points:\u003c\/p\u003e\n- They resist loosening from vibration by increasing friction and bite\n- Serrated flange helps anti-rotation against mating surfaces\n- Case hardened HR15N with black zinc finish boosts wear and corrosion resistance\n- Works with standard 1\/4-20 bolts in metalworking and automotive projects\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48631066263787,"sku":"VXB08PL32TQX","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51Pe-wlMeVL.jpg?v=1779966801","url":"https:\/\/vxb.com\/products\/14-20-serrated-flange-hex-lock-nuts-case-hardened","provider":"VXB Bearings","version":"1.0","type":"link"}