5/16 Internal Tooth Lock Washer 4 10 Stainless Steel NHHB The fully threaded shank provides

The fully threaded shank provides maximum holding power

Made from durable zinc-plated steel

Whether you're working on marine

Its compact size and lightweight design make it ideal for various applications

5/16 Internal Tooth Lock Washer 4 10 Stainless Steel NHHB The fully threaded shank providesThese 5 16" internal tooth lock washers are made of durable stainless steel and are designed to prevent nuts and bolts from loosening due to vibration or movement. They feature a unique internal tooth design that bites into the mating surface, creating a secure hold. These washers are ideal for use in a variety of applications, including automotive, industrial, and construction. They are easy to install and can be reused multiple times.