Spring, Lock Washer, Cup, Full Washers, Form A
Steel, Neoprene, Brass, Fibre, TPE
7.99 mm, 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
4.85 mm, 17 mm, 11 mm, 5.36 mm, 6.5 mm
0.5 mm, 2.5 mm, 2 mm, 3 mm, 0.28 mm
M2.5, M6, M3 (Form A), M20, M5 (Form A)
BS 4463, ASME B18.22.1
ASTM F844, DIN 125A, BS 4320B, ASME B18.21.1