Crinkle, Mudguard, Lock Washer, Full Washers, Form A
301 Stainless Steel, Stainless Steel, TPE, Steel, Brass
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 3.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
0.28 mm, 8.1 mm, 1.1 mm, 2.5 mm, 1 mm
M24, M5 (Form A), M20, M12, M6
BS 4463, BS 4320, BS 4320G, DIN 125A, ASME B18.22.1
ASTM F844