Productivity:gr8.8 DHG hex bolts
1.Material:Carbon steel Q195 Q235 35K #45
2.Size:M16-50
3.Finish: blue and white zinc, yellow zinc, black, HDG or according to coustomers’ requirement
4.Grade:class4.8 class5.8 class6.8 class8.8 class10.9
grade2 grade5 grade8
5.standard:DIN933/ISO4017/GB5783/ANSI B18.2.1









