Step Drill Bits

Step Drill Bits

Step Drill Bits

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

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IRWIN® Unibit® Step Drill Bits

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UNIBIT SETS

PC count

#/Diameter

# of holes Sizes

Flute Type

Shank Size

Material (colbalt etc.)

IRWIN® UNIBIT® 3-Piece Step Drill Bit Set #1 #3 #4

IWAS15504DF

3

HSS

UNIBIT INDIVIDUAL

#/Diameter

# of holes Sizes

Flute Type

Shank Size

Material (colbalt etc.)

IRWIN® UNIBIT® #4 Double Flute Step Drill

IWAS10234DF

3/16"-7/8"

12

Double

1/4" Quick Change Hex

HSS

UNIBIT SETS


IRWIN® UNIBIT® 3-Piece Step Drill Bit Set #1 #3 #4

IWAS15504DF

PC count

#/Diameter

3

# of holes Sizes

Flute Type


UNIBIT INDIVIDUAL


IRWIN® UNIBIT® #4 Double Flute Step Drill

IWAS10234DF

#/Diameter

# of holes Sizes

3/16"-7/8"

12

Flute Type

Shank Size

Double

1/4" Quick Change Hex


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