Bosch HCBG0405 5 Pieces 3/16 In. x 6 In. BlueGranite Carbide Hammer Drill Bits
Milled U-flutes with deep-cut spiral delivers fast dust removal. A softened shank provides aggressive gripping power and reduced shank slippage. High temperature brazing prevents the carbide cutting edge from breaking out even when heat builds up during deep drilling.