Plain Washer, Internal Tooth, Cup, Full Washers, Form A
Neoprene, Fibre, Nylon, TPE, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.36 mm, 4.85 mm, 5.3 mm, 5.36 mm, 6.5 mm
0.4 mm, 2.5 mm, 1.1 mm, 0.3 mm, 0.28 mm
M5, M12, M5 (Form A), M2, M3
DIN 7603A, BS 4320B, BS 4320:1968, DIN 125A, ASME B18.8.1