Cup, External Tooth, Lock Washer, Full Washers, Form A
Brass, Stainless Steel, Steel, TPE, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
21 mm, 13 mm, 16.2 mm, 5.36 mm, 6.5 mm
0.7 mm, 0.6 mm, 1.2 mm, 3.5 mm, 2.2 mm
M3 (Form A), M5, M24, M5 (Form A), M2.5
BS 4320G, DIN 6797J, ASME B18.8.1, ASME B18.22.1
ASTM F844, BS 4320B