Irwin Tools 66716 Single Black Oxide High-Speed Steel Drill Bit with Aircraft Extension, 1/4″-Quality Guarantee

Description

Ideal for applications requiring an extended reach

Made from premium M-2 high-speed steel for increased durability. Black oxide finish resists corrosion

Not recommended for deep drilling applications

135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface