Internal Tooth, Cup, Crinkle, Full Washers, Form A
Brass, 301 Stainless Steel, TPE, Stainless Steel, Copper
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 11 mm, 12.2 mm, 2.25 mm, 6.5 mm
0.28 mm, 1 mm, 1.2 mm, 1.5 mm, 2 mm
M6 (Form A), M3 (Form A), M12, M5 (Form A), M4
DIN 127B, DIN 7980, BS 4320, DIN 7603A, BS 4320B