Premium Grade Top Shelf M18 2.5mm Hex Lock Nuts With Nylon Inserts 304 Stainless Steel Metric Fasteners 20 Piece Dead Set Solid Heavy Duty Hardware For Trucks And Equipment For Diy Builds

M18 Stainless Hex Lock Nuts Hold Heavy Gear Tight
✔️ M18 x 2.5mm threads nylon insert 304 ss pack of 20

This kit comes with twenty metric fasteners designed to keep bolts from backing off under engine vibration or road shake. They work great on pickup trailers, farm rigs, and custom gear builds where steady clamping power matters.

✅ 18mm 0.71in thread diameter meets standard bolt shafts
✅ 27mm 1.06in across flats clears most open end wrenches
✅ 18.5mm 0.73in wall thickness resists strip damage
✅ 2.5mm pitch spacing locks onto coarse automotive threads

💡 Why do builders rely on nylon insert locknuts for heavy rigs?

The handy fasteners you need here give you reliable tension that refuses to back out on bumpy roads. They grip tightly around threaded rods and hold firm against sudden jerks.
- Stops bolts from vibrating loose on truck beds
- Handles oil slick surfaces without slipping gears
- Keeps DIY trailer axles locked tight for years✝️