High-Speed Steel 1-3/8 Inch Silver & Deming Drill Bit

The Alfa Tools HSB15861 Silver & Deming drill bit is a heavy-duty, precision-engineered cutting tool designed for drilling large, accurate holes in metals, wood, and plastics. Constructed from premium high-speed steel (HSS) for superior strength, wear resistance, and long tool life, this 1-3/8 inch diameter bit features a 1/2 inch reduced shank to fit standard drill chucks. The precision-ground 118° standard point ensures fast, accurate starts and reduces walking, while the black oxide coating minimizes friction, enhances wear resistance, and improves chip evacuation. Built to meet ANSI and industry-standard specifications, the HSB15861 delivers consistent, high-performance drilling in demanding industrial, fabrication, automotive, and maintenance applications.