... :10-20 days 5 MOQ:500 pieces Specification1.Thread type: machine thread, triangle thread, metric thread, tapping thread ... head , Spherical Cheese Head, Hexagon socket head , etc.3.Drive type: Slotted, Phillips, Hex Socket, Torx, ” type, One Way etc.MaterialCarbon steel, ... the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, color zinc- ...