Fast Impact drilling in concrete, stone and masonry. Low voltage, high temperature brazing prevents carbide cutting edge from breaking out even when heat builds up during deep drilling.
- Milled U-flute and deep-cut single-flute designs work with the diamond ground carbide tip for fast removal of drilling dust and increased drilling speed
- Perfect "on-center" diamond tip grinding for fast starts and drilling
- Blue Granite 1/2 in. D 4 in. Carbide Hammer Drill Bit - HCBG16