XP71 7⅞" (A11) Rotary Drill Bit
- IADC Code: 712
- Rows: 12 – 9 Inner, 3 Gauge
- Insert Count: 141
- Gauge Insert: Semi Spherical (53)
- Inner Insert: Conical (88)
- Product Weight: 35kg (77 lbs)
- Bearing: Air Cooled
- Rec Bit Weight: 17,860kg to 28,576kg (39,375 lbs to 63,000 lbs)
- RPM: 50 to 80
- Features: Extend shirttail, single back row
