180326 3/8-16 All Metal Grade C Lock Nut Beefy Prevailing Torque Nut Built To Last With Conical Top Flat Bearing Surface Zinc Plated For Vibration And Shock Resistance Pack Of 100
✔️ Crowned conical-top lock nut, Grade C strength, zinc plated
These all-metal lock nuts are one-piece, prevailing torque hex nuts with a crowned top and a flat bottom bearing surface. They are designed to withstand severe vibration and shock loads and are zinc plated for moderate corrosion resistance. Product dimensions: 2.93 in x 3.00 in x 1.87 in (74.4 mm x 76.2 mm x 47.5 mm).
✅ One-piece all-metal prevailing torque hex nut with conical crowned top surface
✅ Flat bottom bearing surface with chamfered corners for even load distribution
✅ Hardened Grade C strength (~150,000 psi min proof load)
✅ Zinc plating provides moderate corrosion resistance
✅ Pack of 100 pieces, designed for 3/8-16 bolts and Grade C strength
💡 What is a crowned top lock nut used for in heavy machinery and fastener assemblies?
It’s a handy locking fastener for resisting loosening in vibration-heavy setups.
- handy for preventing loosening in high-vibration machinery
- provides self-locking action under shock loads
- works with standard 3/8-16 bolts and Grade C strength
- offers corrosion resistance thanks to zinc plating