Internal Tooth, Tap Washer, Mudguard, Full Washers, Form A
Stainless Steel, Ceramic, TPE, Nylon, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
8.4 mm, 16.2 mm, 2.25 mm, 4.36 mm, 6.5 mm
0.7 mm, 0.6 mm, 8.1 mm, 2.5 mm, 0.28 mm
M3.5, M3 (Form A), M5 (Form A), M10, M5
ASME B18.21.1, DIN 7980, BS 4320, ASME B18.22.1
ASTM F844, BS 4320B