Irwin Unibit Step Drill Bit 10234

Irwin Unibit Step Drill Bit

• Provides a six times faster drilling penetration.
• Eliminates need for nail punch.
• Three flatted shank prevents slipping in drill chuck.

This quality Irwin #4 Unibit Self-Starting Stairstep Bit provides an efficient and precise way to drill large holes. It works through a variety of materials, including stainless steel, copper, brass, aluminum, plastic, laminates and wood. The 3/16 inch to 7/8 inch diameter 1/8 inch drill bit is made of steel, and the special tip penetrates cleanly without moving away from the targeted area. This versatile 12-step Irwin Unibit allows you to drill holes in a variety of sizes without changing bits. Its multiplicity of uses can reduce clutter in your toolbox.