Replaceable Type Roller Cone

MH-3R

Quick Replacement & Anti-Loosening System

MH-3R Quick Replaceable Roller cutter is a highly versatile and precision-engineered solution, designed for a wide range of applications, including HDD Hole Openers, Micro Tunneling Heads. Its quick-release mechanism simplifies the replacement process, allowing for fast and efficient roller bit changes when worn, significantly reducing downtime and enhancing operational efficiency.

3rd Generation Cone

• Full Covered 3rd Generation

• Inserts Qty: Maximized 52 pcs 

• OD: 139 mm 

• Feature: Full covered insert, no blind spot

• Performance: Maximum duration & penetration rate

Slot & Bolts Connection

 Slot pocket & 3 bolts design 

• Advantages:

   • Quick release mechanism for fast replacement, ensuring minimal downtime during operations

   • Secure spring lock system to prevent bolt failures during drilling, reducing operational risks. 

Holder

• Spec: 125mm*80mm*120mm

• Increased holder thickness for enhanced durability

• Advantages:

  • Minimizes the impact of welding heat on the bearing system.

   • Accurate positioning, quick replacement.

Perfect Inserts for Every Rock Type

Engineered for All Rock Conditions—Tailored Solutions for Your Unique Project

Chisel

60-110MPa

Conical

100-180MPa

Spherical

130-280MPa

* Note: only available for 3rd Generation Cone

Large

12MH-3R

Standard

MH-3R

Product Detail

CONTACT US

We are committed to tack the most challenging hard rock project. Our knowledgeable sales staff will find the right tool and solution to make your project more efficient and profitable.

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Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email