Hilitchi Hex Lock Nuts With Nylon Insert, Black Zinc Plated, 165 Count

• ✓165-piece nylon lock nut kit
• ✓7 sizes from M3 to M12
• ✓Black zinc plated finish
• ✓Re-sealable storage case included

This Hilitchi assortment gives you 165 nylon insert lock nuts in seven metric sizes, all packed in one sturdy re-sealable case. The nylon insert inside each nut grips the thread to resist loosening, so parts stay put even when things vibrate. Use them with machine screws or cap screws to join materials securely.

The nuts have a hex head with female threading inside and a black zinc plated finish. The set covers M3, M4, M5, M6, M8, M10 and M12, with the quantities of each size arranged by size in a transparent case so you can find what you need at a glance.

Benefits

• ✓Nylon insert helps stop nuts from working loose
• ✓7 metric sizes cover a wide range of jobs
• ✓Black zinc plated for a clean, durable look
• ✓Comes in a rugged, convenient re-sealable case
• ✓Case keeps sizes separated and protected
• ✓Works with matching screws or bolts

How to Use

Match the nut size to your screw or bolt, thread it on, and tighten as needed. The nylon insert grips the threads to help hold the nut in place.

Tip: Keep the case closed between uses so the sizes stay sorted and ready for your next repair or build.