Spring, External Tooth, Full Washers, Flat Washers, Form A
Fibre, Brass, Stainless Steel, TPE, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 6.4 mm, 5.36 mm, 13 mm, 6.5 mm
1.4 mm, 5.8 mm, 0.6 mm, 8.1 mm, 0.3 mm
M24, M5, M5 (Form A), M12, M6
DIN 6797A, BS 4320B, BS 4320, BS 4320G, BS 4463