THE DRILLER'S CHOICE

APS71 13¾" (B11) Rotary Drill Bit

  • IADC Code: 712
  • Rows: 15 – 12 Inner, 3 Gauge
  • Insert Count: 215
  • Gauge Insert: Semi Spherical (61)
  • Inner Insert: Conical (154)
  • Product Weight: 138kg (304 lbs)
  • Bearing: Air Cooled
  • Rec Bit Weight: 31,184kg to 49,895kg (68,750 lbs to 110,000 lbs)
  • RPM: 50 to 80
  • Features: Extend shirttail, nose wear button, double back row

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APS51 13¾” (A11) Rotary Drill Bit

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