Lock washers come in a few different models for various uses. They are different from flat washers because of their shape. The most common type of lock washers Split lock washers are disconnected and one side is raised a little higher than the other. Others have sharp inner or outer edges that lock them into place.

Split lock washer – the most common lock washer we sell comes in a variety of sizes and finishes and has a gap between two points. The load distribution is less even and they are often used with socket products. To be used with socket cap screws

Manufactured to ASME B18.21.1 specifications
Hardness: Rockwell C38 - 46
Plain steel (Causing parts to appear black)
Also available in Stainless Steel