External Tooth, Mudguard, Plain Washer, Full Washers, Form A
TPE, 301 Stainless Steel, Nylon, Steel, Brass
30 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.36 mm, 2.25 mm, 21 mm, 4.36 mm, 6.5 mm
1.4 mm, 5.8 mm, 1.2 mm, 1.5 mm, 0.28 mm
M5 (Form A), M12, M20, M6, M4
DIN 6797A, ASME B18.22.1
ASTM F844, BS 4320B, DIN 7603A, BS 4320