Black Hex Head Carbon Steel Bolts

Standard: DIN933, DIN931, ANSI B18.2.1, GB5780, GB5781, GB5782

OEM & ODM non-standard specification bolts are welcome

Delivery Detail: within 5 days or based on quantity.

Material: Carbon steel Q195 Q235 35K #45, Stainless Steel 304 316 200

Sizes: M3-M24

Surface Finish: Plain; Zinc Black; nickel plated; Zinc Yellow; Zinc Clear; hot-dip zinc/ HDG; dacrotized

General Package: 20-25Kg per Carton; 36-64Carton/ Pallet; or according to Customers requirements

1) Various kinds of bolts available

2) Can be made with different tensile strength, such as Class 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9 and 12.9, imperial grade 2, 5, 8 and 10

3) Can be supplied with different finish; such as bright; zinc plated; hot-dip galvanized; mechanical plating; black

4) Can be made with different standards; such as ISO; DIN; AS/ NZS; GB; ANSI; BS and special standard according to the drawing