Spring, Cup, Lock Washer, Full Washers, Form A
Fibre, Copper, Brass, TPE, Stainless Steel
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 5.3 mm, 6.4 mm, 4.36 mm, 6.5 mm
3.5 mm, 0.28 mm, 8.1 mm, 1.2 mm, 2.5 mm
M24, M16, M5 (Form A), M20, M2
DIN 127B, BS 4463, DIN 125A, DIN 7603A, BS 4320B