Cup, Lock Washer, Full Washers, Form A, Flat Washers
Fibre, TPE, Brass, Stainless Steel, Nylon
8.8 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 6.4 mm, 5.36 mm, 2.25 mm, 6.5 mm
3.5 mm, 0.28 mm, 0.5 mm, 1.1 mm, 3 mm
M12, M24, M5 (Form A), M2, M2.5
DIN 7603, DIN 125A, DIN 6798J, BS 4320, BS 4320B