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.

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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