Spring, Internal Tooth, Lock Washer, Full Washers, Form A
Ceramic, Stainless Steel, Steel, Copper, Brass
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 2.1 mm, 13 mm, 6.5 mm
0.28 mm, 0.7 mm, 0.5 mm, 8.1 mm, 2.5 mm
M16, M10, M5, M5 (Form A), M4
BS 4320:1968, DIN 125A, BS 4320G, BS 4320, BS 4463