Standard: DIN934(555, 936), ANSI18.2.2, BS916 2)

Material: Carbon steel

Diameter: 5-20mm

Thread: Mm, unc, unf, and bsw

Grade: 4, 5, 6, 8

Finish: Plain, zinc, black, nickel, chrome, H. D. G.

Packing: Carton, box, bag, pallet