Nylon Inserts Self Locking Nut - Din 985 - Zinc Plated - 100 PCE

Part No. HAK37

The HAK37 Self-Locking Nut Kit features a 100-piece assortment of DIN 985-compliant zinc-plated hex nuts with nylon inserts, designed to provide a secure, vibration-resistant fastening solution in high-performance mechanical, industrial, and automotive applications.

Each nut incorporates a nylon insert (nyloc) that prevents loosening under vibration and torque, offering superior locking performance compared to standard nuts—without the need for additional locking washers or adhesives.

Kit Contents:

• M4 – 20 pcs

• M5 – 15 pcs

• M6 – 15 pcs

• M8 – 30 pcs (Note: listed twice, consolidated)

• M10 – 10 pcs

• M12 – 5 pcs

• M16 – 5 pcs

Key Features:

• Part Number: HAK37

• Meets DIN 985 standards for nylon insert locking nuts

• Zinc plated finish for corrosion protection and extended service life

• Reusable multiple times without significant loss of locking strength

• Prevents loosening caused by vibration or dynamic loads

• Supplied in a labeled, compartmentalized case for easy size identification

Applications:

Ideal for use in automotive repair, machinery maintenance, fabrication, electrical panel assembly, and general mechanical fastening where a reliable, self-locking solution is required.

Upgrade your fastening kit with the dependable performance of the HAK37 Nylon Insert Lock Nut Assortment—a must-have for professionals, technicians, and quality-conscious DIYers.