14 3/4 - 18 in SHOS616(374.65 - 457.2 mm)

Product ID: 66028A0001

Design Specifications

Total Cutters86
Cutter Size16mm (5/8 in)
Face Cutters(65) 16mm
Gauge Cutters(11) 16mm
Blade Count6
Minimum Pilot Diameter11 3/4 in
Pilot Conditioning Diameter14 3/4 in
Nozzles6 Standard Series 60N
Lower Connection6 5/8 Reg
Junk Slot Area (sq in)80.57
Upper Connection7 5/8 Reg Box
GaugeLength: 4 1/2 in Protection:
LengthMake-Up: 60 9/16 in Overall: 65 1/2 in
Fishing NeckDiameter: 9 1/2 in Length: 21 5/8 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.

Extended gauge pad length