9/16" - 1" High Speed Steel Fractional Hole Enlarging 10220
High
Speed Steel Fractional Hole Enlarging
Features:
- Single-flute cutting edge
for greater control through steps
- 3 flatted shank prevents
slipping in drill chuck
- Also available with titanium
nitride coating for longer life
- Patented single-flute
cutting edge gives the user a true round hole every time
- Ideal for drilling holes
into thin materials such as stainless steel, copper, brass, aluminum,
plastic and laminates
- Pilot hole required
Irwin Unibit
10220 9/16" - 1" High Speed Steel Fractional Hole
Enlarging 
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