Internal Tooth, Plain Washer, Cup, Full Washers, Form A
Ceramic, Steel, Stainless Steel, Copper, Brass
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 4.85 mm, 6.4 mm, 12.2 mm, 6.5 mm
0.6 mm, 8.1 mm, 1.1 mm, 0.5 mm, 1.5 mm
M24, M2, M5 (Form A), M5, M2.5
DIN 125A, DIN 7603, ASME B18.21.1, BS 4320B, BS 4320G