IRWIN Auger Bit is 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 drilling needs.
Solid center design provides extra rigidity while
Wide lands keep the bit straight as it bores throu
Single-spur cutting edge scribes the circumference
Coarse screw point provides fast boring in hard an
All bits have a 4-1/2" twist length and a 7-1/2" o
Full-length heat treated bit guards against bendin