External Tooth, Cup, Lock Washer, Full Washers, Form A
Fibre, Stainless Steel, Copper, TPE, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 3.2 mm, 12.2 mm, 5.36 mm, 6.5 mm
0.28 mm, 8.1 mm, 1.2 mm, 1.1 mm, 1.6 mm
M3, M3 (Form A), M24, M5 (Form A), M6
BS 4320:1968, DIN 127B, ASME B18.22.1
ASTM F844, DIN 7980, BS 4463