External Tooth, Mudguard, Plain Washer, Full Washers, Form A
Steel, TPE, Brass, Nylon, Stainless Steel
24 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 4.85 mm, 2.1 mm, 2.25 mm, 6.5 mm
1.2 mm, 0.16 mm, 0.4 mm, 0.5 mm, 0.7 mm
M5 (Form A), M6, M4, M2, M5
DIN 7603A, DIN 6797J, DIN 125A, BS 4320:1968, BS 4320B