HPMT Long Of Spiral Burnishing Drills 140° Point Angle

- Split Point Design, Provides self centering ability and reduced thrust.
- Straight Cutting Edge, Produces small chips, Improves chip evacuation.
- Effective Clearance and Gash, Ensures fast, efficient chips evacuation and drasticaly reduces built-up edge.
- Corner Reinforcement, Adds protection during the drilling process.
- Oil Hole V-Groove, Improves the flushing out of chips during drilling.
- J Flute Shape, Provides better chip evacuation.
- Suitable for Material, P, M, K, S.
- Polished Flutes Passage, Provides better chips evacuation, Increases feeds and speeds possible for high performance drilling, Less built-up edge.
- Four Margin for Optimum Hole Quality, Improve holes straightness, Better holes tolerance, Using on inclined hole exit, Workpiece with cross holes.
- High Performance Drill with Internal Coolant, Enhances hole quality, Increases tool durability.