we are professional manufacture and distribution the bolt din931 hex head bolt with half thread material:Q235 steel

Standards :DIN ,ANSI ,BS and not Standard
Packing :25kg bulk in cartons then pallet or according to customer's requirements
Surface treating:oirginal color , blacken, zinc plated, hot dipped galvanized and dacromet zinc
Bolt dia.:3MM-64MM
Available in variouse lengths.