Precise TPBN 31 Piece Indexable Boring Bar Set – 1001-0731

• 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.
• Weight: 4 lbs.

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