Irwin UNIBIT SELF-STARTING STEP DRILL BIT TR 15104

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Irwin Unibit 15104 Self-Starting Step Drill Bit Tree Flute Round Shank 3/8 In Dia Shank

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Single-flute cutting edge for greater control through steps
3 flatted shank prevents slipping in drill chuck
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
1/16 in increments

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