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Part #25515129
Legacy #25515129
MFG #10235
Irwin® Unibit® Step Drill Bit, Imperial, #5 Letter/Wire, 1/4 in Diameter Minimum Hole, 1-3/8 in Diameter Maximum Hole, 10 Steps, 1/8 in Step Depth, 10 Hole, 1 Flutes, 7/16 in Shank, Hex Shank, Self-Starting SpeedPoint® Point, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel
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Product Attributes
Brand : Irwin®
Drill Diameter Measurement System : Imperial
Letter/Wire Size : #5
Minimum Hole Diameter : 1/4
Maximum Hole Diameter : 1-3/8
Number of Steps : 10
Product Documents
Product Features
- Single flute cutting edge for greater control through steps
- Single flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- Hex shank prevents slipping in drill chuck
- Also available with (TiN) coating for longer life
- Also available with (TiN) coating for longer life
- New speed point tip penetrates faster than previous Unibit® and prevents walking
- New speed point tip penetrates faster than previous Unibit® and prevents walking
- Geometry of single flute cutting edge drills true, round holes and provides maximum step control
- Geometry of single flute cutting edge drills true, round holes and provides maximum step control
- Laser etched sizes inside flute for easy and permanent hole size identification
- Laser etched sizes inside flute for easy and permanent hole size identification

