Dorian FL4555670 Indexable Boring Bars – TPBN20-4 Right Hand 1-1/4″ Shank Shop

• Individual Boring Bars • From Roughing to Finishing, Square Shoulders to Through Bores. For positive triangular inserts, 11° clearance, Molded Chipbreaker • Small Hole Capacity to a minimum of .430. • High Performance Positive rake for fast material removal as well as finishing. • Rigidity Bar made of heat treated, precision ground alloy steel. • Insert Locking The insert is held more secure with the Torx screw than hex screws, and reduces tool slipping. • Chip Control Advanced precision chip clearance allows for for maximum boring capacity.