Internal Tooth, Spring, Cup, Full Washers, Form A
Fibre, Steel, TPE, Stainless Steel, Brass
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
2.75 mm, 6.48 mm, 4.85 mm, 4.36 mm, 6.5 mm
2.2 mm, 0.16 mm, 1.8 mm, 0.6 mm, 1.6 mm
M3 (Form A), M12, M10, M5 (Form A), M2.5
DIN 127B, BS 4320:1968, BS 4463, BS 4320B, ASME B18.21.1