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
