12 1/4 - 17 in SHO716(311.15 - 431.8 mm)

Product ID: 65089A0001 IADC S243

Design Specifications

Total Cutters85
Cutter Size16mm (5/8 in)
Face Cutters(54) 16mm
Gauge Cutters(20) 16mm
Minimum Pilot Diameter12 1/4 in
Pilot Conditioning Diameter12 1/4 in
Nozzles7 Reamer Series 60N
Lower Connection6 5/8 Reg
Junk Slot Area (sq in)n/a
Upper Connection7 5/8 Reg Box
GaugeLength: 4 1/2 in Protection:
LengthMake-Up: 31 13/16 in Overall: 61 3/4 in
Fishing NeckDiameter: 9 1/4 in Length: 1 1/2 in

Operating Parameters

Rotary SpeedSuitable for Rotary & PDM
Weight-on-Bit8,000 To 40,000 (lbs)
3,636 To 18,180 (daN)
4 To 18 (Tonnes)
Flow Rate (GPM)700 To 1450
Hydraulic Horsepower (HSI)1 To 6
The operating parameters listed here are general parameters, please contact your local Smith Bits representative for precise recommendations for your individual well.



The PX feature places thermally stable diamond inserts (TSP) on the gauge to maximize gauge retention and extend bit life.

Bit design is available with ONYX fixed cutters for improved thermal stability in harder, more abrasive formations, resulting in greater wear resistance.