Internal Tooth, Plain Washer, Lock Washer, Full Washers, Form A
Fibre, Steel, TPE, Ceramic, Brass
24 mm, 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 17 mm, 2.25 mm, 4.36 mm, 6.5 mm
0.7 mm, 1 mm, 0.3 mm, 1.2 mm, 8.1 mm
M12, M24, M5 (Form A), M10, M2
DIN 7980, ASME B18.8.1, BS 4320B, ASME B18.21.1, BS 4463