External Tooth, Mudguard, Internal Tooth, Full Washers, Form A
Stainless Steel, Ceramic, TPE, Steel, Brass
8.8 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
8.4 mm, 12.5 mm, 5.3 mm, 4.36 mm, 6.5 mm
3.5 mm, 0.28 mm, 8.1 mm, 2 mm, 0.3 mm
M3 (Form A), M12, M10, M5 (Form A), M5
ASTM F436, DIN 7980, DIN 7603A, DIN 6797J, BS 4320B