Cup, Lock Washer, Plain Washer, Full Washers, Form A
Fibre, Brass, 301 Stainless Steel, TPE, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 13 mm, 5.36 mm, 6.5 mm
1.2 mm, 1.6 mm, 0.6 mm, 0.5 mm, 0.8 mm
M3 (Form A), M16, M8, M24, M5 (Form A)
ASME B18.8.1, DIN 125A, ASME B18.21.1, DIN 7603A, BS 4320B