Irwin Industrial Tools 15104 Unibit #4T HSS Titanium 12-Step Drill Bit (3/16" - 7/8")

This step drill bit is ideal for drilling holes in thin materials including stainless steel, copper, brass, aluminum, plastic, and laminates.

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This step drill bit is ideal for drilling holes in thin materials including stainless steel, copper, brass, aluminum, plastic, and laminates.