Carbon Steel Grade 4.8 8.8 10.9 12.9 Half Thread Full Thread Hex Head Bolts Manufacturer

Product Name: Standard high strength hex bolts factory price Material: Carbon steel, alloy steel etc Color: Plain,black,zinc plated etc Standard: DIN ,GB, ISO etc Grade: 4.8 6.8 8.8 10.9 12.9 Size: M8-M52 or as customer’s requirement Used: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole;Mechanical Machine; Automobile: Home Decorating and etc.