Countersunk Washer, Cup, Spring, Full Washers, Form A
A2/304 Stainless Steel, Fibre, Steel, TPE, Stainless Steel
12.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
14 mm, 25 mm, 6.4 mm, 2.25 mm, 6.5 mm
2.2 mm, 0.16 mm, 1.8 mm, 0.3 mm, 0.28 mm
M3 (Form A), M16, M5, M5 (Form A), M2.5
DIN 125A, BS 4320B, BS 4320:1968, BS 4320G, ASME B18.21.1