high strenth for steel structure, yellow zinc
High strength bolts with large hex head for steel structures
1.Property Grade: 8.8s or 10.9s
2.Materials: Low carbon alloy steel
3.Surface treatment; Zince plated( contain yellow zince plated, blue and white zinc plated), galvanized, HDG(Hot dip galvanized), Phosphate, black oxide.ect.
4.Apply to standard: DIN, ISO,ANSI/ASMT,JIS,GB,NF,ect
All our products are used for steel structure project, such as:
Multi-floor & High-rise steel structure buldings, Industrial buildings,High way, Railway,Steel steam,tower, power station,Traffic instrument construction, mast structure piping bracket, lift machine, boiler,Airport,and other steel structure workshop frame.
Hex head high strength bolts
