SDS-plus® Bulldog Extreme 5/8″ x8″
The BOSCH line of countersinks is ideal for deburring and chamfering openings to previously drilled holes. Ideal for electrical, plumbing and HVAC contractors. BOSCH countersinks cut a variety of materials cleanly and precisely. With standard high speed steel and super hard titanium coated tips, these countersinks work very well on even the hardest materials.
From the Manufacturer
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.