Material
Steel/Stainless Steel/Aluminum/Alloy/Carbon Steel/Brass
Finish
Zinc/Plain/Polish/Black Oxide/Zinc-flake Coated
Standard
Iso/Din/Gb/Customized/Ansi/Jis/Bs
Color
Black/Silver/White/Blue/Yellow
Head Type
Flat/Round/Pan/Hex/Truss/Countersunk/Countersunk Head
Measurement System
Metric/Inch
Application
Machinery/Chemical Industry/Environmental/Building
Customized Support
Oem /Odm /Obm
Grade
4.8/ 8.8/ 10.9/ 12.9 Ect