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Drill Bits

4 subcategories in "Drill Bits"


Masonry Bits
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.

Metal Drilling
IRWIN offers a complete line of Metal Drilling Bits, including High Speed Steel & Cobalt bits.

Unibit Step Drills
IRWIN Unibit Cobalt is made of high speed steel, this step drill bit will last longer in the toughest of materials