Cup, Lock Washer, Plain Washer, Full Washers, Form A
Stainless Steel, Steel, TPE, Vulcanised Fibre, Brass
9.09 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
13 mm, 17 mm, 16.2 mm, 21 mm, 6.5 mm
2.2 mm, 3 mm, 0.6 mm, 8.1 mm, 0.28 mm
M3, M6 (Form A), M3 (Form A), M5 (Form A), M4
ASME B18.21.1, BS 4320B, DIN 127B, DIN 125A, BS 4463