Cup, Mudguard, Crinkle, Full Washers, Form A
TPE, 301 Stainless Steel, Nylon, Stainless Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 12.2 mm, 17 mm, 16.2 mm, 6.5 mm
1.8 mm, 8.1 mm, 1.1 mm, 3.5 mm, 0.28 mm
M2, M5 (Form A), M6, M16, M4
ASME B18.8.1, DIN 127B, DIN 6797A, BS 4320G, BS 4320B