XP53 10⅝" (A21) Rotary Drill Bit
- IADC Code: 532
- Rows: 12 – 9 Inner, 3 Gauge
- Insert Count: 142
- Gauge Insert: Semi Spherical (54)
- Inner Insert: Conical (88)
- Product Weight: 70kg (154 lbs)
- Bearing: Air Cooled
- Rec Bit Weight: 14,458kg to 31,808kg (31,875 lbs to 70,125 lbs)
- RPM: 50 to 120
- Features: Extended shirttail with center flush, nose wear button, double back row
