[5000 BULK] Lock Washers External Tooth 18/8 Stainless 5/16

Lock Washers External Tooth 18/8 Stainless 5/16 is a rugged locking hardware solution designed to prevent fastener loosening in vibration-prone assemblies. Built from 18/8 stainless steel for superior corrosion resistance and durability, these washers are ideal for demanding environments.

Key features

• External-tooth lock washer bites into the surface and fastener to resist loosening from vibration
• Material: 18/8 stainless steel (304) for excellent corrosion resistance and long service life
• Size: 5/16" bolt size (fits standard 5/16" fasteners)
• Finish: clean, bright stainless appearance with reliable strength
• Applications: automotive, machinery, plumbing, outdoor equipment, and industrial assemblies

Why choose 18/8 stainless external tooth washers?

Combining robust locking action with outstanding corrosion resistance, these washers are suitable for indoor and outdoor use, including marine and high-humidity environments where stainless steel shines. They help maintain clamping force and prevent unwanted loosening over time.

Usage tips

Place the washer between the bolt head (or nut) and the mating surface. Ensure the teeth engage the material to maximize locking action. Use with compatible nuts and bolts and tighten to the manufacturer's specification to achieve optimal performance.