Crinkle, Cup, Plain Washer, Full Washers, Form A
Fibre, Brass, Stainless Steel, 301 Stainless Steel, TPE
12 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 12.2 mm, 14 mm, 5.36 mm, 6.5 mm
0.3 mm, 2.5 mm, 0.6 mm, 0.4 mm, 3 mm
M6, M3, M3 (Form A), M24, M5 (Form A)
BS 4463, DIN 6797J, ASME B18.8.1, BS 4320B, DIN 7603A