3/8 Internal Tooth Lock Washer 4 10 Stainless Steel #2 It is made of zinc-plated

It is made of zinc-plated steel and has a serrated flange that bites into the metal sheet when it is installed

These nuts are easy to install and remove

It features an acoustical eye at the head of the screw

reducing splitting and ensuring a firm hold

The M7 x 30 DIN 933 8

3/8 Internal Tooth Lock Washer 4 10 Stainless Steel #2 It is made of zinc-platedThese 3 8" internal tooth lock washers are made of durable stainless steel, ensuring resistance to corrosion and wear. They feature a unique internal tooth design that bites into the surface of the mating material, creating a secure and vibration resistant connection. Ideal for a wide range of applications, these lock washers provide exceptional holding power and prevent loosening due to vibration or shock. Their compact size and ease of installation