Irwin 10221 Unibit Step Drill Bit 13/16 Inch to 1-3/8 Inch 10 Steps

Product Description

The Irwin 10221 Unibit Step Drill Bit is designed for trade professionals who need precision and versatility. This step drill bit covers sizes from 13/16 inch to 1-3/8 inch, making it suitable for a wide range of applications.

• Covers 10 sizes
• 7/16 inch shank diameter
• Made from high-speed steel

Product Highlights

Ideal for drilling into materials such as stainless steel, copper, brass, aluminum, plastic, and wood. The single-flute cutting edge provides greater control and ensures precise, round holes.

Product Information

Standard Information

• Shank Type: Round
• Measurement System: Inch
• Surface Recommendation: Aluminum, Brass, Copper, Metal, Plastic, Stainless Steel, Steel, Wood