3 Piece, Speedbor Max Drill Bit Set, Includes: 5/8", 3/4" & 1", Standard Length, Tri-Flute Design For Faster Chip Ejection, Cutting Spurs Have 3 Cutting Edges For Added Durability, Full Screw Tip Allows Bit To Self Feed, Grooved Hex Shank Prevents Slipping In Drill Chuck Or Bit Extension, Fits All Standard 1/4" Quick Change Chucks.
The Irwin Speedbor 3-Piece 5/8-Inch, 3/4-Inch and 1-Inch Max Spade Bit Set features three speedbor spade bits that all deliver a state-of-the-art Tri-Flute design. All the included bits produce a fast chip ejection, while also providing cutting spurs with three cutting edges for added durabilty. A full screw tip allows the bits to self feed, and grooved hex shanks prevent slipping in drill chuck or bit extension. Additionally the bits all fit standard 1/4-inch quick change chucks.
What's in the Box
Irwin Speedbor 5/8-Inch Max Spade Bit, Irwin Speedbor 3/4-Inch Max Spade Bit, Irwin Speedbor 1-Inch Max Spade Bit.

Irwin Industrial Tools 3041003 3-Piece Set Speebor Max (5/8,3/4, 1-Inch). For fast, rough or clean and exact holes, Irwin's extensive line of woodboring drill bits provide the user with the best available tools for each application in achieving their wood drilling needs.