RS PRO Plain Stainless Steel Nylon Insert Locknut M20, DIN 985, A4 Grade 188-6476

RS PRO 188-6476 Plain Stainless Steel Nylon Insert Locknut M20, DIN 985, A4 Grade is designed to provide high-reliability locking solutions in demanding industrial and mechanical environments. The locknut threads onto bolts to firmly secure fastenings, preventing loosening caused by vibrations and mechanical stress.

Constructed from premium A4 316 stainless steel, this locknut offers outstanding corrosion resistance suitable for harsh environments including outdoor, marine, and chemical applications. The plain finish maintains a clean surface while the nylon insert improves thread grip and vibration resistance.

The locknut's nylon ring compresses to create a watertight seal around the bolt, preventing ingress of liquids that could lead to damage or corrosion in sensitive machinery. It meets the DIN 985 standard, which specifies precise mechanical dimensions and thread fitment for reliable mounting.

Featuring a nominal thread size of M20, width of 30mm and an overall height of 14mm, this locknut is suitable for a wide range of industrial fastening tasks, ensuring secure tightening and extended equipment uptime.

Common applications include mechanical assemblies, fluid power connections, construction, manufacturing equipment, and heavy machinery where high-strength threaded fastening is critical.

This Locknut complies with DIN 985 standard ensuring precise dimensions and reliable quality. Manufactured from high-grade A4 stainless steel for excellent corrosion resistance. The nylon insert enhances vibration resistance to prevent loosening during operation.

Plain finish with a thread size of M20 and nominal width of 30mm. Overall height of 14mm providing durability and secure tightening of bolts. Ideal for use in mechanical, fluid power, and industrial fastener assemblies. Explore the full range of RS PRO fastening solutions and related industrial components available on EnvMart for comprehensive mechanical assembly needs.