Cup, Nylon Washers, Lock Washer, Full Washers, Form A
Neoprene, Fibre, Stainless Steel, Brass, TPE
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 2.2 mm, 2.25 mm, 6.5 mm
0.5 mm, 3.5 mm, 0.28 mm, 1.6 mm, 2.5 mm
M12, M10, M5 (Form A), M8, M2.5
DIN 125A, DIN 127B, BS 4320:1968, BS 4320G, BS 4320B