Mudguard, External Tooth, Internal Tooth, Full Washers, Form A
Neoprene, Fibre, Brass, 301 Stainless Steel, TPE
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 5.3 mm, 17 mm, 6.5 mm
5.8 mm, 0.5 mm, 0.7 mm, 8.1 mm, 0.16 mm
M3 (Form A), M5 (Form A), M5, M4, M3
ASME B18.8.1, ASME B18.21.1, ASME B18.22.1
ASTM F844, BS 4320B, DIN 7603A