Spring, External Tooth, Lock Washer, Full Washers, Form A
Brass, Steel, TPE, Copper, Stainless Steel
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
2.1 mm, 5.36 mm, 2.25 mm, 13 mm, 6.5 mm
0.16 mm, 1.8 mm, 0.28 mm, 1.1 mm, 0.3 mm
M5 (Form A), M2, M12, M5, M2.5
BS 4320B, BS 4320:1968, DIN 6798J, DIN 7603A, DIN 7980