External Threading Tool Holder with ISO brand inserts can customized

External Threading Tool Holder​ Description : 1: Can be used on cnc lathe machine and engine lathe . 2: Matched with CNC carbide inserts. 3: Spare part made of high quality steel , the hardness of screw is grade 12.9 4: Material 60Si2Mn, and whole forging processing make the turning tool with long service life, better wear-resistantce,strength and rigidity,high working efficiency. 5: Cooperate with NIHONG-TECHNO ,adopt advanced heat treatment equipment, make sure the