External Tooth, Spring, Internal Tooth, Full Washers, Form A
Stainless Steel, 301 Stainless Steel, TPE, Ceramic, Brass
30 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 2.25 mm, 17 mm, 6.5 mm
0.4 mm, 1.5 mm, 1.8 mm, 0.28 mm, 8.1 mm
M20, M12, M5 (Form A), M2, M2.5
DIN 7980, BS 4320:1968, DIN 6798J, BS 4320B, DIN 125A