Technical Specifications Use Insert TP_H32._
Lead Angle 5
Right/Left Hand Right
Dimension F .4220
Torx Screw TS478M1
Distance Across Flats .725
Minimum Bore .8450
Insert IC 3/8
Overall Length 10.0000
Model Number TPBN12-3
Shank Diameter .7500
Type High Performance Indexable Boring Bars
Brand Name Dorian
Depth of Cut 2.500
”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.