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