76mm T38 Retract Bit for Productive Drilling in Difficult Ground | MSD
76mm T38 Retract Threaded Bit
Boost productivity without risking stuck tools. Our 76mm T38 Retract Bit is ideal for production drilling in fractured rock. Its unique skirt ensures easy retraction and straight holes. Secure your operation. Explore specs!
Model Number:
MSD-T38-76R
Diameter:
76mm (3")
Thread Interface:
T38 (1 ½")
Primary Application:
Production Drilling, Fractured Rock, Deep Hole Benching
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Features & Benefits
Productivity with Security: Combines a productive 76mm hole diameter with the security of a Retract skirt. This allows you to maintain high drilling rates even in unpredictable or fractured ground where standard bits might fail.
Effortless Retraction: The specialized Retract skirt with guiding splines actively helps steer the bit out of the hole, dramatically reducing time lost to stuck drill strings and increasing overall operational efficiency.
Superior Hole Straightness: In deep benching and long-hole applications, the Retract body provides exceptional guidance, ensuring straighter blast holes for more effective and predictable blasting results.
Robust T38 Energy Transfer: The proven T38 thread is perfectly matched to medium-duty drifters, delivering the consistent impact power required for productive drilling while maintaining excellent durability.
Recommended Applications
Production Bench Drilling in Difficult Ground: The primary application for this bit. It is the perfect choice for quarries and open-pit mines where rock formations are fractured, weathered, or unpredictable.
Deep Hole Drilling: Highly recommended for any application requiring deep, straight holes (over 15 meters), as the Retract design minimizes hole deviation and ensures easy retraction.
Pre-splitting and Smooth Blasting: The excellent hole straightness makes this bit a valuable tool for pre-splitting applications in construction and quarrying, creating smoother final walls.
Technical Specifications
Thread | Diameter | Button | Button Angel | Air holes |
Gauge | Front |
T38 Retract | 76 | 8×φ12 | 5×φ11 | 35
| 4 |
T38 Retract | 76 | 8×φ11 | 5×φ11 | 35 | 4 |
T38 Retract | 76 | 6×φ10 | 3×φ11 | 35 | 3 |
Standard & Custom-Engineered Solutions
Whether your project requires a proven tool from our standard catalog or a completely custom-engineered solution, our team of drilling experts is ready to assist.
We excel at solving unique geological challenges and developing tools for non-standard requirements.
Contact us today to find the perfect standard bit or to begin engineering your unique tool for success!