XP61 7⅞" (A11) Rotary Drill Bit
- IADC Code: 612
- Rows: 12 – 9 Inner, 3 Gauge
- Insert Count: 134
- Gauge Insert: Semi Spherical (50)
- Inner Insert: Conical (84)
- Product Weight: 35kg (77 lbs)
- Bearing: Air Cooled
- Rec Bit Weight: 14,288kg to 25,004kg (31,500 lbs to 55,125 lbs)
- RPM: 50 to 110
- Features: Extend shirttail, single back row
