External Tooth, Cup, Lock Washer, Full Washers, Form A
Steel, 301 Stainless Steel, TPE, Stainless Steel, Brass
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.2 mm, 16.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
3.5 mm, 0.28 mm, 0.6 mm, 1 mm, 0.16 mm
M16, M3 (Form A), M3, M5 (Form A), M2
BS 4320:1968, BS 4463, DIN 127B, DIN 6797J, DIN 7603A