31 PIECE TPBN INDEXABLE BORING BAR SET (1001-0731)

31 Piece TPBN Indexable Boring Bar Set Small hole capacity to a minimum of .430". Insert pocket has been scientifically designed to eliminate vibration and maximize the depth of cut. Bars made of heat treated, precision ground alloy steel. Clearance angle of the insert in relation to the cutting edge allows for the cleanest micro finish. The positive insert with advanced chip breaker design allows for heavier cuts. Includes 4 boring bars, 20 inserts, 4 screws, 2 torx keys and a fitted case. Shipping Weight: 4 lbs