The Meclead MH-3H is a large OD roller cone drill bit engineered for heavy roller bit drilling and large borehole applications. Featuring 74 alloy teeth — over 60% more than a regular 12-1/4″ roller bit — the MH-3H delivers excellent rock penetration and wear resistance in demanding drilling conditions. Designed to work seamlessly with core barrel assemblies and other Rotary Drilling Tools , this roller cone drill bit ensures stable performance and extended service life in foundation, piling, and deep drilling projects.
Parameters:
60-110MPa
100-180MPa
130-280MPa
Covered with 74 pieces 17mm inserts. It is more than 60% more compare to the regular 12-1/4″ roller bit and tricone cutters.
4th generation automatic positioning body will help you weld the roller with ease and confidence no matter on the site or in the workshop
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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