Suit many popular makes of Down Hole Hammers. Sizes range from 60mm through to 1,100mm. Bulroc Button Bits are available in several head styles to suit particular drilling conditions. Tungsten carbide button inserts are available in either Hemispherical or Parabolic (Semi-Ballistic) form and Button Bits can be fitted with either type or a combination of both.
Price Guide: POA