Irwin Industrial Tools 10311ZR Unibit #11 HSS 1-Step Drill Bit (7/8")

This step drill bit is ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic, and laminates. The hex shank prevents slipping in drill chuck.

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This step drill bit is ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic, and laminates. The hex shank prevents slipping in drill chuck.