External Tooth, Spring, Plain Washer, Full Washers, Form A
Fibre, TPE, Stainless Steel, Vulcanised Fibre, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.75 mm, 2.6 mm, 4.85 mm, 16.2 mm, 6.5 mm
0.4 mm, 3.5 mm, 8.1 mm, 0.8 mm, 1.1 mm
M12, M24, M5 (Form A), M3, M2
BS 4320B, DIN 6798J, BS 4463, BS 4320G, DIN 7980