Internal Tooth, External Tooth, Mudguard, Full Washers, Form A
Brass, Fibre, 301 Stainless Steel, TPE, Steel
30 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 5.36 mm, 2.25 mm, 13 mm, 6.5 mm
2 mm, 0.6 mm, 0.8 mm, 8.1 mm, 0.28 mm
M5, M2.5, M3 (Form A), M2, M5 (Form A)
ASME B18.22.1
ASTM F844, DIN 6797J, BS 4320G, BS 4320B, DIN 7603A