Applicationt: 
Universal
Production Description:
supply high strength bolts for steel structures,Standard JIS, ANSI, ASTM, DIN, BS, GB etc.or special designed bolts.
Standards: JIS, ANSI, ASTM, DIN, BS, GBSpecification: M20-M48Surface finish:zinc plated, HDG, black,plainmaterials:40Cr,38Crmo-42Crmo etc.Hardness grade: 8.8s,10.9s ,12.9s Used for steel construction projects, such as the boiler steel construction of power stations, port machinery, metallurgical construction, airport hangar, large span bridge of the railway and highway, large scale industry factory building, skyscraper, exhibition hall and large-scale gymnasiums and stadiums
We have many items of the high strength Bolts for steel structures with different materials and size etc. to be chosen according to buyers' requirements .We can provide you good service and high quality products.OEM is welcomed if needed.
For more information welcome to contact with us!