Hex Socket Head Bolt

 Norm : DIN912, ASTM A574

Grade : 8.8 10.9

Surface : Black, Zinc Plated

Hex Flange Head Bolt

 Norm : DIN6921 SAE J429

Grade : 4.8 8.8 10.9 Gr.2/5/8

Surface : Plain, Black, Zinc Plated, HDG

Carriage Bolt

 Norm : DIN603  ASTM A307

Grade : 4.8 8.8 Gr.A

Surface : Plain, Black, Zinc Plated, HDG

Flat Countersunk Head Square Neck Bolt

 Norm : DIN608

Grade : 4.8 8.8

Surface : Plain, Black, Zinc Plated, HDG