Split High Collar Lock Washer, A2 S/S

A ring split at one point and bent into a helical shape, creating more friction and resistance to rotation. A2 Stainless Steel (SAE 304 stainless steel) is the ISO designation for a stainless steel comparable to 18-8 and has excellent corrosion resistance. Hi-Line carries A2 stainless steel split high collar lock washers in many sizes.