Irwin® Unibit® 10239 Steam Oxide High Speed Steel Self Starting Step Drill Bit, 7/8 - 1-1/8 in, 1-Flute, 3-1/8 in L

Step Drill Bits
269919 MFG #: 10239
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Irwin® Unibit® 10239 Steam Oxide High Speed Steel Self Starting Step Drill Bit, 7/8 - 1-1/8 in, 1-Flute, 3-1/8 in L
  • Finish/Color: Steam Oxide
  • Item Name: Step Drill Bit
  • Manufacturer: Irwin® Unibit®
  • Material: High Speed Steel
  • Maximum Drill Diameter: 1-1/8 in
  • Minimum Drill Diameter: 7/8 in
  • Number Of Drill Stages: 2
  • Number Of Flutes: 1
  • Overall Length: 3-1/8 in
  • Point Type: Speed Point
  • Shank Diameter: 7/16 in
  • Type: Self Starting

Irwin® Unibit® Self Starting Step Drill Bit, 2 Drill Stages, 7/8 in Minimum Drill Diameter, 1-1/8 in Maximum Drill Diameter, Overall Length: 3-1/8 in, 1 Flutes, 7/16 in Shank Diameter, Speed Point, High Speed Steel, Steam Oxide, 1/4 in THK Step, Measuring System: Fractional

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  • Features
  • Single flute cutting edge for greater control through steps
  • Hex shank prevents slipping in drill chuck
  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
  • Applications: For drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates up to 1/8 in THK