Nylon Washers, Lock Washer, Plain Washer, Full Washers, Form A
Brass, 301 Stainless Steel, Copper, TPE, Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
11 mm, 12.5 mm, 16.2 mm, 5.36 mm, 6.5 mm
1.8 mm, 3.5 mm, 8.1 mm, 1.1 mm, 0.3 mm
M20, M2, M3, M24, M5 (Form A)
DIN 125A, BS 4320B, BS 4463, BS 4320, ASME B18.21.1