Internal Tooth, Mudguard, Crinkle, Full Washers, Form A
Steel, 301 Stainless Steel, Stainless Steel, TPE, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.1 mm, 4.85 mm, 14 mm, 4.36 mm, 6.5 mm
0.7 mm, 0.6 mm, 0.8 mm, 0.3 mm, 0.28 mm
M20, M6, M5, M5 (Form A), M2
BS 4320:1968, BS 4320, BS 4320G, ASME B18.8.1, DIN 7980