External Tooth, Crinkle, Cup, 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
5.36 mm, 2.25 mm, 17 mm, 4.36 mm, 6.5 mm
0.6 mm, 1.8 mm, 0.5 mm, 0.3 mm, 0.28 mm
M16, M20, M6, M3 (Form A), M5 (Form A)
BS 4320B, DIN 127B, ASME B18.21.1, ASME B18.8.1, BS 4463