Lock Washer, Cup, Mudguard, Full Washers, Form A
Brass, 301 Stainless Steel, TPE, Nylon, Steel
7.99 mm, 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
5.36 mm, 13 mm, 5 mm, 10 mm, 6.5 mm
0.6 mm, 8.1 mm, 1.1 mm, 0.16 mm, 2.5 mm
M3.5, M3 (Form A), M6, M24, M5 (Form A)
BS 4320B, BS 4320:1968, ASTM F436, DIN 125A, DIN 7603A