BTU 3 tip type : Single Tube Drills with Outer 4 Start Thread connection and Brazed Tips, dia=15.60 - 65mm. Each item represents a diameter range. For a specific head diameter, an order form should be filled out.
  DesignationDCNDCXOALLFDCONMSHTubeTube DiaCSPGICATGIREMgiic
  BTU-00991 XX.XX 17.7118.4047.0044.2014.50015.0ST009916.0With coolant hole4841053 0
  BTU-00992 XX.XX 18.4118.9047.0044.1014.500-ST009916.0With coolant hole4841054 0