Commodity description:  Hexagon flange bolts DIN6921 
Packaging & Shipping:plastic bag carton by sea
material:carbon steel
finish code:zine-plated
color:black
head code:hex bolt
grade:4.8 8.8 10.9 12.9
size:M10*40 M8*25 M12*50 M16*50M20*70
package:carton pallat
standard:DIN BS JIS
Our Services:Top quality products and packaging.
Knowledgeable, and friendly staff. 
Strong brand recognition. 
Active technical support through experienced QC department 
excellent after-sales service 
Sturdy packaging 
fast delivery 
reliable product quality