Lock Washer, Cup, Crinkle, Full Washers, Form A
301 Stainless Steel, TPE, Ceramic, Vulcanised Fibre, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 2.25 mm, 17 mm, 21 mm, 6.5 mm
0.6 mm, 3.5 mm, 1.6 mm, 1.1 mm, 0.28 mm
M3 (Form A), M2, M10, M5 (Form A), M2.5
DIN 7980, BS 4463, DIN 125A, BS 4320G, BS 4320B