Lock Washer, External Tooth, Spring, Full Washers, Form A
Fibre, Steel, Ceramic, Brass, TPE
15.5 mm, 12 mm, 6.9 mm, 20 mm, 11.88 mm
4.85 mm, 13 mm, 12.5 mm, 4.36 mm, 6.5 mm
1.8 mm, 0.28 mm, 8.1 mm, 1.1 mm, 0.8 mm
M3, M3 (Form A), M5, M24, M5 (Form A)
BS 4320:1968, DIN 6798J, ASME B18.21.1, DIN 7980, BS 4463