Patented flute designs and tip geometries increase hammer drilling speeds to achieve more work in less time. Manufactured to ANSI standards.
Woodboring Drill Bits
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.
Tapered drill with widened flutes for drilling fast, clean pilot holes.
Hole in flute for easy wire pulling through walls, ceilings and floors