Cup, Internal Tooth, Full Washers, Flat Washers, Form A
Stainless Steel, TPE, Steel, Brass, Copper
12.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 5.36 mm, 13 mm, 6.5 mm
1.8 mm, 0.4 mm, 0.7 mm, 0.6 mm, 8.1 mm
M3 (Form A), M20, M24, M16, M5 (Form A)
BS 4320, ASME B18.22.1 ASTM
F844, DIN 6797A, BS 4320B, ASME B18.21.1