Bosch HCBG04 Blue Granite Hammer Drill Bit, 3/16" x 4" x 6"
- Size : 3/16" x 4" x 6"
- For fast impact drilling in concrete, stone and masonry
- Diamond ground carbide tip
- Mille u-flutes with deep-cut spiral for fast dust removal
- Robust head for long service life and impact applications
- Softened shank for aggressive gripping power
- ANSI standard compliant