The Meclead MH-3R is a replaceable roller bit designed for roller bit core barrel assemblies and efficient roller bit drilling in foundation and piling applications. Its holder-type design allows the bit to be welded once and replaced multiple times, reducing downtime and increasing productivity. When paired with compatible Rotary Drilling Tools , the MH-3R delivers stable rock penetration, extended service life, and reliable performance in demanding drilling conditions.
Product Description:
The MH-3 Roller Bit is a premium-grade solution specifically engineered for high-intensity roller bit drilling in foundation piling and borehole construction. Designed to integrate seamlessly with standard rotary drilling rigs, the MH-3 model features high-strength tungsten carbide inserts (TCI) and a reinforced bearing system. Whether you are navigating medium-hard rock or highly abrasive formations, the MH-3 delivers exceptional penetration rates and unmatched structural integrity, ensuring your project stays on schedule and under budget.
60-110MPa
100-180MPa
130-280MPa
The cone fulled covered with 52 pieces large inserts leaving no blind spot. You can expect a higher penetration speed and working life.
MH-3R is with holder design for a quick replacment. Welding the holder once, then using the bolt to connect the roller.
additional to the traditional sealing, we apply another CNC surface as additional sealing to prevent the dust into the bearing
All the roller bearings covered by the hard alloy to apply extra hardness
Pull the air out of the body, then push the high end grease in, make sure the roller has enough grease for the whole life span
With more than a decade of international trade experience, we understand the logistics, regulations, and technical standards of markets around the world. Our global expertise guarantees smooth cooperation and reliable delivery.
Each drilling tool undergoes strict quality inspection - from raw materials to final delivery. Our commitment to quality ensures that it maintains high performance and durability even under the most demanding drilling conditions.
With the ability to travel frequently and meet clients in person, we gain a deep understanding of on-site conditions and project requirements. This allows us to deliver precise, customized solutions that truly meet our clients’ needs.
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