Nylon Washers, Lock Washer, Cup, Full Washers, Form A
Stainless Steel, 301 Stainless Steel, TPE, Nylon, Copper
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
12.5 mm, 5.3 mm, 5.36 mm, 21 mm, 6.5 mm
1.2 mm, 1.8 mm, 3.5 mm, 1 mm, 0.28 mm
M3 (Form A), M20, M24, M5 (Form A), M2.5
BS 4320B, BS 4320, ASME B18.22.1
ASTM F844, DIN 7980, ASME B18.21.1