Nylon Washers, Lock Washer, Flat Washers, Full Washers, Form A
Fibre, Brass, Stainless Steel, TPE, Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 5.3 mm, 5.36 mm, 2.25 mm, 6.5 mm
1.8 mm, 0.4 mm, 1.1 mm, 1.6 mm, 0.28 mm
M12, M10, M24, M5 (Form A), M2
BS 4320C, BS 4463, BS 3410, BS 4320B, DIN 7980