Spring, External Tooth, Plain Washer, Full Washers, Form A
Steel, Ceramic, TPE, Nylon, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.25 mm, 17 mm, 8 mm, 6 mm, 6.5 mm
0.9 mm, 0.7 mm, 0.3 mm, 2.5 mm, 0.28 mm
M3.5, M6, M3 (Form A), M20, M5 (Form A)
DIN 6797A, BS 4320B, DIN 7603, ASME B18.21.1, BS 4320