APS51 13¾" (A11) Rotary Drill Bit
- IADC Code: 512
- Rows: 13 – 10 Inner, 3 Gauge
- Insert Count: 181
- Gauge Insert: Semi Spherical (62)
- Inner Insert: Spherical (2)/ Conical (117)
- Product Weight: 138kg (304 lbs)
- Bearing: Air Cooled
- Rec Bit Weight: 18,710kg to 41,163kg (41,250 lbs to 90,750 lbs)
- RPM: 50 to 120
- Features: Extend shirttail, nose wear button, double back row
