Forty Piece 3/8-16 Zinc Plated Nylon Insert Hex Lock Nuts Set For 3/8 Inch Threads, Heavy Duty Steel Hardware With Nylon Retention, Workhorse Lock Nuts For Automotive And General Repairs

Set of 40 Zinc Plated 3/8-16 Nylon Insert Hex Lock Nuts
✔️ 40 piece set for 3/8 inch threads with nylon lock insert

These nylon insert hex nuts work great for locking bolts in place during auto repairs and general hardware jobs where vibration might loosen standard nuts.

✅ Works on 3/8 inch 16 threads per inch fasteners
✅ Zinc plated steel resists corrosion in tough spots
✅ Nylon collar creates strong friction hold on bolts
✅ Measures.458 inch tall with 9/16 inch hex size
✅ Handles heat up to 250 degrees Fahrenheit safely

💡 What is a nylon insert lock nut used for? They keep bolts tight in vibrating environments like engines or machinery. - Stops nuts from backing off under repeated motion - Fits standard 3/8 inch coarse thread bolts easily - Gives solid hold without needing extra washers or glue - Works well for both one time fixes and ongoing maintenance

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