Spring, Internal Tooth, Nylon Washers, Full Washers, Form A
Steel, Brass, TPE, Nylon, Copper
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
25 mm, 16.2 mm, 5.36 mm, 10 mm, 6.5 mm
3.5 mm, 0.28 mm, 0.6 mm, 1.1 mm, 2.5 mm
M5 (Form A), M4, M3, M2.5, M8
DIN 7980, ASME B18.22.1
ASTM F844, ASME B18.21.1, ASME B18.8.1, BS 4320B