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, Auger Reamer Heads, and Bored Piling Core Barrels. 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.

Replaceable Type Roller Bit

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.

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

Large

Standard

Selecting the appropriate type and quality based on the geological formation is crucial for optimizing drilling efficiency

A well-designed core barrel enhances debris removal, significantly improving drilling efficiency

Correct roller bit placement and welding accuracy are vital for achieving the desired drilling results.

Proper control of drilling weight and rotating speed directly impacts penetration rates and roller bit wear

BASIC

CLASSIC

LARGE

HOLDER TYPE

BOLTS TYPE

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