Spring, External Tooth, Cup, Full Washers, Form A
Stainless Steel, 301 Stainless Steel, Copper, TPE, Brass
12.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 5.3 mm, 2.25 mm, 13 mm, 6.5 mm
1.5 mm, 0.4 mm, 1.1 mm, 2 mm, 1.6 mm
M3 (Form A), M24, M5 (Form A), M20, M12
BS 4320:1968, DIN 127B, ASME B18.22.1
ASTM F844, DIN 6797J, BS 4320B