DIN931 Hexagon Head Bolts

DIN931 Hexagon Head Bolts
Material: alloy steel, stainless steel, carbon steel
Grade:Gr.4.6--12.9
Finish: plain, black, zinc plated, PTFE
Minimum order： 450KG
Advantage
1.High quality and competitive price
2.Customized design and logo are accepted
3. Small order acceptable
4. OEM accepted