... 3.easy insert replacement 4.general use cnc metal lathe grooving turning tools Specifications: Insert type:CN--1204--Screw:VHX0821Wrench: ... to left, to deal with the component’s diameter grooving cutting tool can be used to Processing the inner slot, outer ... in producing top circle turning tool, inner hole turning tools, screw turning tools, small cutter holder, grooving tools, knife folders, boring ...