Internal Tooth, Crinkle, Cup, Full Washers, Form A
Steel, TPE, Nylon, Stainless Steel, Brass
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
14 mm, 12.5 mm, 5.36 mm, 13 mm, 6.5 mm
1.8 mm, 0.7 mm, 1.1 mm, 0.8 mm, 0.28 mm
M8, M3 (Form A), M24, M5 (Form A), M2.5
DIN 127B, DIN 6798J, BS 4320, BS 4320G, BS 4463