XP61 9" (A21) Rotary Drill Bit
- IADC Code: 612
- Rows: 12 – 9 Inner, 3 Gauge
- Insert Count: 143
- Gauge Insert: Semi Spherical (53)
- Inner Insert: Conical (90)
- Product Weight: 43kg (94 lbs)
- Bearing: Air Cooled
- Rec Bit Weight: 16,329kg to 28,576kg (36,000 lbs to 63,000 lbs)
- RPM: 50 to 110
- Features: Extend shirttail with center flush, single back row
