Countersunk Washer, Internal Tooth, Cup, Full Washers, Form A
Brass, Fibre, Steel, TPE, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 4.85 mm, 2.2 mm, 4.36 mm, 6.5 mm
5.8 mm, 1.2 mm, 0.4 mm, 0.28 mm, 0.6 mm
M12, M3, M24, M5 (Form A), M5
ASME B18.21.1, ASME B18.22.1
ASTM F844, DIN 6797J, BS 4320B, DIN 7603A