Spring, Internal Tooth, Plain Washer, Full Washers, Form A
Fibre, Brass, TPE, Stainless Steel, Steel
24.4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 11 mm, 3.2 mm, 4.36 mm, 6.5 mm
1.45 mm, 1.4 mm, 5.8 mm, 0.4 mm, 0.28 mm
M3, M5 (Form A), M6, M5, M2
BS 4320B, DIN 127B, BS 4320:1968, BS 4320, ASME B18.21.1