Internal Tooth, Cup, Plain Washer, Full Washers, Form A
Fibre, TPE, Nylon, Steel, Stainless Steel
3/4" X 3" X 1/4", 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
13 mm, 16.2 mm, 2.25 mm, 17 mm, 6.5 mm
0.5 mm, 8.1 mm, 0.4 mm, 0.8 mm, 3.5 mm
M3 (Form A), M16, M5 (Form A), M2.5, M10
DIN 125A, DIN 7980, ASME B18.8.1, ASME B18.21.1, BS 4320B