Product Name: Hex Flange Bolts
Model Number: HD-B-HB2
Standards: ANSI(IFI), DIN, BS, JIS and per specially design.
Grade: 4.8, 6.8, 8.8, 10.9, 12.9
Material: 35CrMo, 40Cr, carbon steel, etc.
Size: M4-M30
Surface treatment: Chrome, Zinc, Black, Red, Blue, Green, Colorful.

Packing:
1)Polybag
2)Plastic Box
3)Standard Export Carton
We can supply nonstandard nuts and bolts as customers' requirements.