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-031 XX.XX 24.1125.2057.5054.0019.50023.0ST0222.0With coolant hole4841061 0
  BTU-032 XX.XX 25.2126.4057.5054.0019.50024.0ST0222.0With coolant hole4841062 0