Description M Clamp TNMG16 Bar 105° (MTQNL/R) 16MM/ 20MM/25MM/32MM/40MM/50MM LHS/RHS Available, TNMG160404/08/12 INSERT USE. More information about TNMG boring bar: TNMG inserts have six cutting edges. TNMG does not like reverse cutting.TNMG inserts are used for profile turning and shaft turning. A boring bar is a tool used in metalworking and woodworking. Boring is a technique used in many aspects of building. Woodworkers have used boring as a form of drilling for centuries. In woodworking, the boring tool is static in size and used to form circular plunge cuts.
