Internal Tooth, Spring, Cup, Full Washers, Form A
TPE, 301 Stainless Steel, Ceramic, Copper, Steel
12 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
13 mm, 8.4 mm, 2.2 mm, 5.36 mm, 6.5 mm
3.5 mm, 0.28 mm, 1.5 mm, 2.5 mm, 3 mm
M12, M16, M5 (Form A), M2, M2.5
DIN 7980, DIN 7603, ASTM F436, ASME B18.8.1, BS 4320B