MBU : Single Tube Drills with Outer Single Thread connection and a Brazed Single Tip, dia= 0.315 - 0.582 inch. Each item represents a diameter range. For a specific head diameter, an order form should be filled out.
  DesignationDCNDCXOALDCONMSHTubeTube DiaGICATGIREMgiic
  MBU-0899 .315-.354 0.31500.35401.3390.2360.236UMBB0710.2804841030 0
  MBU-0999 .355-.393 0.35500.39301.3390.2830.276UMBB0830.3274841031 0
  MBU-1099 .394-.433 0.39400.43301.3390.2990.315UMBB0900.3544841032 0
  MBU-1199 .434-.472 0.43400.47201.3390.3390.354UMBB1000.3944841033 0
  MBU-1349 .473-.531 0.47300.53101.3390.3580.394UMBB1100.4334841034 0
  MBU-1449 .532-.582 0.53200.58201.3390.4250.433UMBB1200.4724841035 0