Internal Tooth, Spring, Cup, Full Washers, Form A
Neoprene, Brass, Fibre, Ceramic, TPE
7.99 mm, 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
4.85 mm, 12.5 mm, 5.36 mm, 4.36 mm, 6.5 mm
0.4 mm, 3 mm, 1.6 mm, 0.16 mm, 0.28 mm
M3 (Form A), M16, M5 (Form A), M4, M2.5
DIN 6797A, ASME B18.22.1
ASTM F844, BS 4320B, DIN 7603A, BS 4463