Internal Tooth, External Tooth, Lock Washer, Full Washers, Form A
Nylon, Fibre, TPE, Brass, Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 8.4 mm, 16.2 mm, 2.25 mm, 6.5 mm
8.1 mm, 1.2 mm, 1.1 mm, 3.5 mm, 0.3 mm
M3 (Form A), M2, M24, M5 (Form A), M20
DIN 6797A, BS 4320B, DIN 7980, BS 4320, DIN 125A