high strength bolt with best quality,black surface
high strength bolt 1.surface:black, plain, zinc plated 2.high strength and corrosion resistance 3.high quality
high strength bolt with best quality,black, plain or zinc plated surface
2.grade:4.6-12.9
3.size:M3-M76 or meet your requirement
4.standard:DIN ,ANSI/ASME,BS,GB,JIS,Non-standard5.high strength and corrosion resistance6.much lighter than the alloy ones4.high quality with responsible price
7.packing:in bulk,15-25kgs per carton,then on pallet or small box or according to customers requirement
high strength bolt with best quality,black surface
