Bosch HCBG04 Hammer Drill Bit Concrete 3/16" X 4" X 6" Blue Granite
FEATURES BlueGranite hammer drill bits deliver fast impact drilling in concrete, stone and masonry.
Low voltage, high temperature brazing prevents the carbide cutting edge from breaking out even when heat builds up during deep drilling.
SPECIFICATIONS Diameter: 3/16" Useable Length: 4" Overall Length: 6"