18-8 Stainless Steel Nylon-Insert Locknut | 3/8"-16 Thread Size

These 18-8 Stainless Steel Nylon-Insert Locknuts in 3/8"-16 thread size provide superior vibration resistance and long-lasting fastening security. Designed with a durable nylon insert, these locknuts prevent loosening caused by vibration, torque, and heavy-duty equipment operation.

Manufactured from corrosion-resistant 18-8 stainless steel, these locknuts deliver excellent performance in outdoor, marine, industrial, and chemical-exposed environments—making them ideal for pressure washing rigs, softwash systems, trailers, fabrication, and machinery assembly.

Key Features

• Made from corrosion-resistant 18-8 stainless steel

• Nylon-insert design prevents loosening from vibration and movement

• 3/8"-16 coarse thread fits standard bolts and threaded studs

• Excellent resistance to rust, chemicals, and moisture

• Secure fastening for high-vibration applications
  

Product Specs

• Material: 18-8 Stainless Steel (AISI 304)

• Thread Size: 3/8"-16 (Coarse thread)

• Locking Style: Nylon-insert locknut (NYLOC)
  

• Standards: Meets ANSI/ASME B18.16.6

• Applications: Pressure washing rigs, softwash skids, marine hardware, construction, trailers, industrial machinery, equipment mounting, fabrication

Perfect For

• Softwash and pressure washer rig assembly

• Marine and outdoor equipment

• Trailer and frame mounting

• Industrial and mechanical fastening requiring vibration resistance

• Automotive and small engine repair

These nylon-insert locknuts offer secure, corrosion-resistant fastening performance ideal for demanding and high-vibration environments.