Irwin 10220CB Cobalt Step Drill Bit 9/16-1 Inch 8 Steps Laser Marked

Product Description

The Irwin 10220CB Cobalt Step Drill Bit is designed for trade professionals requiring precision and durability. This bit offers eight hole sizes ranging from 9/16 inch to 1 inch, perfect for various drilling applications.

• 6x longer life compared to competitors
• High-speed steel with M35 cobalt
• Laser-marked for easy size identification

Product Highlights

The Irwin 10220CB Step Drill Bit features a radial concave flute and a Speedpoint tip for efficient drilling. It is ideal for aluminum, brass, copper, and steel applications.

Product Information

Standard Information

• Brand: Irwin
• MPN: 10220CB
• UPC: 038548099248

Technical Specifications

• Material: Cobalt Alloy Steel
• Finish: Black Oxide
• Step Sizes: 9/16 in, 5/8 in, 11/16 in, 3/4 in, 13/16 in, 7/8 in, 15/16 in, 1 in
• Shank Type: Hex
• Overall Length: 2 7/16 in
• Cutting Direction: Right Hand
• Number of Flutes: 1
• Number of Steps: 8
• Drilling Depth: 1/8 in