Crinkle, Cup, Full Washers, Flat Washers, Form A
Brass, Nylon, TPE, Ceramic, Stainless Steel
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 10.5 mm, 21 mm, 6.5 mm
0.7 mm, 8.1 mm, 1.1 mm, 1 mm, 0.8 mm
M2.5, M3 (Form A), M6, M5 (Form A), M12
BS 4320:1968, BS 4320, DIN 7980, BS 4320B, BS 4463