commodity name:black hexgon bolt model number:M12*30 material:carbon steel diameter:12mm thread:30mm Product detailsCommodity name:black hexgon boltmaterial:carbon steel,stainless steel,mild steel, alloys,copper,aluminum etc.color:plain,black zinc,color,blue white,nickel,chromeMOQ:100PCSdiameter:5-18mmlength:10-180mmthread:mm, unf,bsw etc.grade:4.8,6.8,8.8,10.9,12.9 Packing&deliverypacking ...