[20 M6]
These are high quality GB93 spring washer.
Material: 304 (A2-70) stainless steel.
Size: M6
Quantity: 20pcs
Split lock washers provide greater bolt tensioning for tighter assemblies and provide protection against loosening resulting from vibration. lock washers can be used with a standard washer to provide uniform bearing surface. These washers are intended for general use.