The MH-3P drill bit is designed with additional small protective inserts that help shield the cones under highly abrasive conditions. When used with compatible rotary drilling tools, it supports efficient roller bit drilling performance. Its robust structure and enhanced wear protection make it highly suitable for use with roller bit core barrel assemblies, delivering stable rock penetration and extended service life in demanding drilling environments.
Parameters:
60-110MPa
100-180MPa
130-280MPa
The Cone covered with 20 pieces 8mm and 6mm smaller inserts, just to prevent the cone body wear out prematurely.
The cone fulled covered with 52 pieces large inserts leaving no blind spot. You can expect a higher penetration speed and working life.
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
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