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MH-3P Roller Cone Bit

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

Parameters:

  • Cone Protection Inserts: 20 pieces (8mm & 6mm)
  • Insert count: 52 pieces
  • Insert Size: 14mm
  • Body type: Flat auto angle body for quick fixing
  • Cone size: 139mm (with inserts)
  • Body width: 92mm
  • Connection type: Welding
  • Grease: Vacuum grease system special design for piling application

Perfect Inserts for Every Rock Type

Chisel

Chisel

60-110MPa

Conical

Conical

100-180MPa

Spherical

Spherical

130-280MPa

Advance Features

Additional 20 Cone Protection Inserts

Additional 20 Cone Protection Inserts

The Cone covered with 20 pieces 8mm and 6mm smaller inserts, just to prevent the cone body wear out prematurely.

52 Large Inserts

52 Large Inserts

The cone fulled covered with 52 pieces large inserts leaving no blind spot. You can expect a higher penetration speed and working life.

Auto Angle Body

Auto Angle Body

4th generation automatic positioning body will help you weld the roller with ease and confidence no matter on the site or in the workshop

Double Sealing

Double Sealing

additional to the traditional sealing, we apply another CNC surface as additional sealing to prevent the dust into the bearing

Bearing Hard Alloy Apply

Bearing Hard Alloy Apply

All the roller bearings covered by the hard alloy to apply extra hardness

Vacuum Grease System

Vacuum Grease System

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