Features:

• Advanced bearing design with finish machining on all internal bearing surfaces
• Synthetic rock bit lubricant optimized for rock drilling
• Precision thrust and nose bushings
• Enhanced shirttail protection protects bearings for longer life
• Tungsten carbide insert protection available on legs for highly abrasive environments
•  Hardmetal application to all Millteeth for tough self sharpening cutters
• Gauge protection standard on all TCI cones
•  Robust cutting structures for higher ROP and longer life

Specifications/Applications:

• Milltooth & TCI available
• Sealed and open bearings available in all common sizes
• Full hole circulation type available in all sizes, Tri-jet circulation available on all sizes over 3-1/2" 
• For rotary drilling using fluid, mist, or air
• Cost effective solution to a wide range of drilling Energy, Mineral Exploration, Water Well, Geothermal, Construction, and HDD applications
• Available in from 1-7/8" to 9" diameters