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D-FORCE™ – Drilling in abrasive formations

Rotary bits for blasthole drilling in abrasive formations. Equipped with Sidewinder shirttail and abrasion resistant carbide inserts to increase wear resistance. High load open bearings, robust cutting structure and HET carbide treatment provide high penetration rates and long life. Vented cones (9” diameter and up) provide for additional bearing cleaning and heat reduction.

D-FORCE products feature longer-life bearings, heavy duty shirttails, a unique Sidewinder leg design, enhanced air flow system and improved abrasion resistant tungsten carbide inserts, providing added durability and increased penetration rates under a wide variety of operating conditions.

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Features and benefits

ABRASION RESISTANT CARBIDE
Upgrades developed for improved fracture toughness and abrasion resistance.

ENHANCED CUTTING STRUCTURE
Designed to provide the highest penetration rates and the longest life available.

VENTED CONES
Standard feature on all 9" and above D-Force™ drill bits. Improves bearing airflow allowing cooler operation. Extends service life in high altitude applications and in areas of excessive groundwater.

REINFORCED SHIRTTAIL
A pattern of tungsten carbide inserts resist wear and protect the bearing.

INTERSTITIAL INSERTS
Interstitial Inserts provide additional cone protection in abrasive formations. These small tungsten carbide inserts protect the TCI cutting structure to eliminate cone wear.

SP1 BEARING DESIGN
All D-Force™ drill bits incorporate advanced bearings designed to minimize over heating. The wear elements feature advanced materials to give the maximum bearing life under a wide variety of operating conditions.

SIDEWINDER SHIRTTAIL
Provides a return path for cuttings to flow up the side of the head and into the annulus. Reduces recirculation of cuttings on bottom. Improves ROP through enhanced chip removal.

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