Do-It-Yourself

Metal Drilling

HSS Cobalt
Heavy-duty web construction for strength and durability

HSS Pro
Precision ground cutting edges

HSS Titanium
Cutting edge stays sharper longer

HSS Turbomax
Designed primarily for high performance drilling

Unibit Step Drill
IRWIN Unibit Step Drill is made of high speed steel with a single flute for maximum drilli...

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