Speedbor® Tri-Flute Drill Bits

IRWIN Speedbor MAX 3/4 inch bit - The Fastest Speedbor spade bit ever, featuring a Tri-Flute design that allows for faster chip ejection. The Speedbor MAX has cutting spurs with three cutting edges for added durabilty. A full screw tip allows the bit to self feed. The grooved hex shank prevents slipping in drill chuck or bit extension. Speedbor MAX bits fit all standard 1/4"" quick change chucks.

  • CUTTING SPURS WITH 3 CUTTING EDGES
  • AGGRESSIVE SCREW TIP
  • FAST CUTS. CLEAN HOLES.™
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Products

4 in. Short Length Bits

SKU#: 1866033

SPEEDBOR® 1/2 in. Woodboring Tri-Flute Drill Bit

Diameter: 1/2 in.
Length: 4 in.
Flute Length: 1-1/2 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 1866034

SPEEDBOR® 5/8 in. Woodboring Tri-Flute Drill Bit

Diameter: 5/8 in.
Length: 4 in.
Flute Length: 1-1/2 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 1866035

SPEEDBOR® 3/4 in. Woodboring Tri-Flute Drill Bit

Diameter: 3/4 in.
Length: 4 in.
Flute Length: 1-1/2 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 1866036

SPEEDBOR® 7/8 in. Woodboring Tri-Flute Drill Bit

Diameter: 7/8 in.
Length: 4 in.
Flute Length: 1-1/2 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 1866037

SPEEDBOR® 1 in. Woodboring Tri-Flute Drill Bit

Diameter: 1 in.
Length: 4 in.
Flute Length: 1-1/2 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 1877239

SPEEDBOR® 6 pc. Woodboring Tri-Flute Drill Bit Set

Includes: 1/2 in., 5/8 in., 3/4 in., 7/8 in., 1 in., 1-1/8 in.

Piece Count: 6
Length: 4 in.
Shank Size: 1/4 in. Quick-Change

6 in. Standard Length Bits

SKU#: 3041001

SPEEDBOR® 1/2 in. Woodboring Tri-Flute Drill Bit

Diameter: 1/2 in.
Length: 6 in.
Flute Length: 1-3/4 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 3041002

SPEEDBOR® 5/8 in. Woodboring Tri-Flute Drill Bit

Diameter: 5/8 in.
Length: 6 in.
Flute Length: 2 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 3041004

SPEEDBOR® 3/4 in. Woodboring Tri-Flute Drill Bit

Diameter: 3/4 in.
Length: 6 in.
Flute Length: 2-1/4 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 3041005

SPEEDBOR® 7/8 in. Woodboring Tri-Flute Drill Bit

Diameter: 7/8 in.
Length: 6 in.
Flute Length: 2-5/8 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 3041007

SPEEDBOR® 1 in. Woodboring Tri-Flute Drill Bit

Diameter: 1 in.
Length: 6 in.
Flute Length: 2-3/4 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 3041009

SPEEDBOR® 1-1/4 in. Woodboring Tri-Flute Drill Bit

Diameter: 1-1/4 in.
Length: 6 in.
Flute Length: 2-7/8 in.
Shank Size: 1/4 in. Quick-Change

SKU#: 3041003

SPEEDBOR® 3 pc. Woodboring Tri-Flute Drill Bit Set

Includes: 5/8 in., 3/4 in., 1 in.

Piece Count: 3 pc.
Length: 6 in.
Shank Size: 1/4 in. Quick-Change

SKU#: IWAXSPM6PC

SPEEDBOR® 6 pc. Woodboring Tri-Flute Drill Bit Set

Includes: 1/2 in., 5/8 in., (2) 3/4 in., 7/8 in., 1 in.

Piece Count: 6 pc.
Length: 6 in.
Shank Size: 1/4 in. Quick-Change

SKU#: IWAX236PC

SPEEDBOR® 6 pc. Woodboring Tri-Flute Drill Bit Set with Case

Includes: 1/2 in., 5/8 in., 3/4 in., 7/8 in., 1 in., 1-1/4 in.

Piece Count: 6 pc.
Length: 6 in.
Shank Size: 1/4 in. Quick-Change

Long Length Bits

SKU#: 1866058

SPEEDBOR® 1/2 in. Woodboring Tri-Flute Drill Bit

Diameter: 1/2 in.
Length: 16 in.
Flute Length: 1-3/4 in.
Shank Size: 3/8 in. Hex

SKU#: 1866059

SPEEDBOR® 5/8 in. Woodboring Tri-Flute Drill Bit

Diameter: 5/8 in.
Length: 16 in.
Flute Length: 2-1/16 in.
Shank Size: 3/8 in. Hex


SKU#: 1866060

SPEEDBOR® 3/4 in. Woodboring Tri-Flute Drill Bit

Diameter: 3/4 in.
Length: 16 in.
Flute Length: 2-3/8 in.
Shank Size: 3/8 in. Hex