16 1/2 in K505(419.1 mm)

Product ID: 66509A0001

Design Specifications

Avg. SPC190
Face Cuttersn/a
Cone Cutters(20) 13mm
Blade Count18
Hydraulics (sq in)2.5
Bit Connection3 1/2 Reg
LengthMake-Up: 21 1/8 in Overall: 27 7/16 in
Fishing NeckDiameter: 9 3/8 in Length: 18 5/16 in
GaugeLength: 9" Protection: Options Available

Operating Parameters

Rotary SpeedSuitable for Turbine & PDM
Weight-on-Bit6,000 To 40,000 (lbs)
2,727 To 18,180 (daN)
3 To 18 (Tonnes)
Flow Rate (GPM)900 To 1200
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.



Gauge pad configuration for very abrasive formation. This additional diamond volume will help prevent the gauge pads from going under gauge.

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