![](https://bynder.sbdinc.com/m/7d6636cc4cb93456/Drupal_Medium-IWAS10234DF_A3.jpg)
UNIBIT STEP DRILL BITS
Drill Multiple Hole Sizes with One Bit. IRWIN Unibit Step Drill Bits make precise clean holes in a variety of thin materials including stainless steel, copper, brass, aluminum, plastic, and laminates. Offered in single and double flute designs, Unibit Step Drill bits have precise step control and SpeedPoint™ tip for fast starts. Unibit double-flute designs accelerate your drilling with 2X Faster Drilling* versus a single-flute design.
- SPEEDPOINT™ TIP FOR FAST STARTS
- DOUBLE FLUTE DESIGN, 2X FASTER DRILLING*
- USE WITH AN IMPACT OR STANDARD DRILL
*Average of first 10 holes vs. single-flute IRWIN Unibit #4 10234 in 1008 Steel.
![](https://bynder.sbdinc.com/m/638f87d98e1cb804/Drupal_Large-IWAS10234DF_2.jpg)
Why It Matters
SINGLE-FLUTED CUTTING EDGE
Greater control throWhugh steps
PATENTED SINGLE-FLUTE CUTTING EDGE
Gives a true round hole every time
3 FALTTED SHANK
Prevents slipping in drill chuck
SPEEDPOINT TIP
Penetrates faster than previous Unibits and prevents walking