commodity name:hex socket cap head bolt model number:M3*32 material:carbon steel ... surface finished:nickel grade:8.8 Product detailscommodity name:hex socket cap head bolt,round head boltmaterial:stainless steel, carbon steel ... ,copper,alloys,aluminumsurface finished:plain,black,blue-white,color,nickelsize:all sizegrade:4.8,6.8,8.8,10.9,12 ...