1. bolt and nuts 2.Certification:ISO9001:2008 3.famous ... ,DIN7991,DIN6921,DIN6923,DIN6914,DIN912,DIN975,DIN6915,DIN6916,DIN985,DIN960,DIN961,DIN7990,DIN555 ETCFasteners include hexagon head ... anchor,sleeve anchor, hit anchor, quick anchor,nylon hammer fixing,tie wire anchor,cut anchor,hollow ... wall anchor,coupling nut,self drilling screw,hex washer flange,bugle phillips ...