Tap Washer, Lock Washer, Internal Tooth, Full Washers, Form A
Ceramic, Steel, TPE, Stainless Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 17 mm, 2.1 mm, 16.2 mm, 6.5 mm
0.7 mm, 0.6 mm, 0.5 mm, 1.1 mm, 2.2 mm
M6, M5 (Form A), M20, M12, M8
BS 4320B, DIN 7603, DIN 6797J, BS 4320, BS 4320G