External Tooth, Lock Washer, Cup, Full Washers, Form A
Neoprene, Fibre, Brass, Vulcanised Fibre, TPE
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
21 mm, 11 mm, 5.36 mm, 6 mm, 6.5 mm
0.4 mm, 1.8 mm, 0.7 mm, 2.5 mm, 1.6 mm
M10, M5 (Form A), M6, M4, M2.5
ASME B18.8.1, DIN 125A, ASME B18.21.1, DIN 7603A, BS 4320B