size:1/2"--8" (12--200mm) Dia:BWG 3--20 (0.8--6.5mm) material:Q195 or Q235 available:bright,E.G,C.C,V.C,H.D.G,and P.C fini <1>feature:iron wire,checkered head or flat head ,diamond point,smooth shankavailable:bright,C.C.,V.C.,E.G.,H.D.G.and P.C.,Finish<2>usage:mainly for building construction,packing and furniture countersunk,checkered head,diamond point,polished.<3>Process:<4>packing:1. 25KG/ ...