STEVEMIT
steve/spring-lock-washer
Metric curved spring washers (DIN 137 A) and external tooth lock washers (DIN 6797 A), M2 to M10.
STEVEMIT
steve/inch-lock-washer
Inch lock washers, ASME B18.21.1: regular split (helical spring) and external tooth, #2 to 1/2.