Place of Origin
Hebei, China
Standard
DIN/ANSI/GB/ISO/JIS
Product name
Hex Bolt and nut
Material
Carbon Steel/Stainless steel
Grade
4.8/6.8/8.8/10.9/12.9
Surface treatment
HDG/Zinc plated/plain/black
Size
M3-M72(3/16''- 4'') accept customized
Color
Zinc blue White yellow black plain
Application
Structural Steel building construction industry