... Range 8-280mm NBH 2084 Bar Tool Set 1.Specification:BT40-NBH2084 boring system with 8pcs boring bar2.Micro finishing boring system3 ... world, such as carbide inserts,machine tool holder,collet chuck,drill chuck.turning tool,lathe holder,end mill,endmills,milling cutters ... ,boring tools,boring head,boring bar,tool holders,drills,u drill,nuts,wrenches,screws and other machine ...