Nylon Washers, Lock Washer, Mudguard, Full Washers, Form A
Fibre, TPE, Stainless Steel, Nylon, Brass
12.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 5.1 mm, 2.6 mm, 4.85 mm, 6.5 mm
1.2 mm, 1.1 mm, 0.8 mm, 3.5 mm, 0.28 mm
M24, M5 (Form A), M16, M2, M4
BS 4320B, DIN 125A, ASME B18.22.1
ASTM F844, BS 4320G, ASME B18.21.1