Rotary drill bits are essential for tackling variable grounds in large open-cast mining operations.

IADC Classifications

First Digit: Bit Type & Ground Hardness Class

• Steel / Milled Tooth
  1 – Soft | 2 – Medium | 3 – Hard

• Tungsten Carbide Insert (TCI)
  4 – Soft | 5 – Medium | 6/7 – Hard | 8 – Extremely Hard

Second Digit: Ground Hardness Subclass

• 1 – Soft | 2/3 – Medium | 4 – Hard

Common Third Digit: Bearing Type

• 2 – Open Roller Bearing
• 5 – Sealed Roller Bearing
• 7 – Sealed Journal Bearing

Why Choose Us?

• Customized tricone bit designs based on ground formations
• Advanced processing and manufacturing technologies ensure high consistency of quality
• Stable and reliable delivery guarantee
• Professional service team provides comprehensive technical supports

Looking for assistance with selecting mining tricone bits tailored to your specific ground conditions? Contact Our Experts Now.