External Tooth, Crinkle, Internal Tooth, Full Washers, Form A
Neoprene, Fibre, Brass, Ceramic, TPE
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
6.48 mm, 4.85 mm, 10.5 mm, 2.25 mm, 6.5 mm
1.8 mm, 0.5 mm, 2 mm, 0.3 mm, 0.16 mm
M3 (Form A), M8, M10, M5 (Form A), M3
BS 4320:1968, BS 4320G, BS 4463, DIN 7980, BS 4320B