8 1/2 - 12 1/4 in SHOSi616(215.9 - 311.15 mm)

Product ID: 6422550402

Design Specifications

Total Cutters54
Cutter Size16mm (5/8 in)
Face Cutters(41) 16mm
Gauge Cutters(13) 16mm
Blade Count6
Minimum Pilot Diameter8 1/2 in
Pilot Conditioning Diameter9 7/8 in
Nozzles6 Standard Series 60N
Lower Connection4 1/2 Reg Box
Junk Slot Area (sq in)23.06
Upper Connection6-5/8" API Reg.
GaugeLength: 2 1/4 in Protection:
LengthMake-Up: 45 11/16 in Overall: 15 5/8 in
Fishing NeckDiameter: 8" Length: 14 3/8 in

Operating Parameters

Rotary SpeedSuitable for Rotary & PDM
Weight-on-Bit8,000 To 36,000 (lbs)
3,636 To 16,362 (daN)
4 To 16 (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.