Internal Tooth, Mudguard, Full Washers, Flat Washers, Form A
TPE, Steel, Nylon, Brass, Stainless Steel
7.99 mm, 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
17 mm, 5.36 mm, 2.25 mm, 21 mm, 6.5 mm
1.4 mm, 5.8 mm, 0.6 mm, 0.4 mm, 0.28 mm
M6, M5 (Form A), M2, M16, M5
DIN 125A, BS 4320, DIN 6797A, DIN 7603A, BS 4320B