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BORDO Stub Drills Bright HSS Metric

  • Stub drills (screw machine twist drills) have a shorter overall length than Twist drills for maximum rigidity and longer tool life.
  • 135° Split Point (crankshaft point).
  • Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust.
  • They are designed primarily for machining operations in lathes (screw machines) but can also be used in manual hand held drills.
  • Bordo Stub Drills have two helical flutes with 30 degrees of helix angle. This provides fast chip ejection and very stable drilling operation.
  • Bright Finish Twist Drills have no surface treatment and are supplied in the as-ground condition. These tools are suitable for general purpose use, particularly for non-ferrous applications.

In Stock
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Additional information

Size

No. 30 (3.26mm), No. 20 (4.09mm), No. 11 (4.85mm)

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