Irwin UNIBIT STEP DRILL BIT HEX SHANK 7/16 I 10220

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Irwin Unibit 10220 Step Drill Bit Hex Shank 7/16 In Dia Shank

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

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