【Material】- This reduced shank drill Bit was made by high speed steel which is good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance.
【Reduced Shank】- Design of reduced shank can expanding the size range capacity of a portable drill chuck; Common flute and overall length for minimal adjustment during tool changes.
【Feature】- Black oxide treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge.
【Wide Application】- Designed for fast drilling in concrete, masonry, artificial stone, and rockDesign for drilling in low and medium tensile strength materials, such aluminum, iron, copper, brass and metal.