Screw on type boring bars & sets

Small hole capacity to a minimum .430”.

High tech insert pocket has been scientifically designed to eliminate vibaration and maximize the depth of cut.

Rigidity- bar made of heat treated, precision ground alloy steel.

Insert locking. The insert is securely held with the torx screw to reduce tool slipping.

Better finish-clearance angle of the insert, in relation to cutting edge, gives best micro finish.

Fast material removal. The positive insert with advanced chip breaker design allows for heavier cuts.

Shank dia: 1/2”~1-1/2”

TPGB.TPGH insert: 21.5-43.

31 pcs/set includes:

10pcs TPGH 21.51 inserts.

10pcs TPGH321 inserts.

4pcs tors screws

2pcs torx keys.

4pcs boring bars: TPBN06-2 TPBN08-2 TPBN10-2 TPBN12-3

With wooden box.

27pcs/set includes:

8pcs inserts.

8pcs tors screws.

3pcs torx keys.

8pcs boring bars

With wooden box.