High Speed Steel tool - 25mm cutting diameter. Good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance. Reduced Shank - Expanding the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Black Oxide Finish - Black oxide treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge. Wide Application - Design for drilling in low and medium tensile strength materials, such aluminum, iron, copper, brass and metal.
