Replaceable Type Roller Bit

The MH-3B Bolted Roller is designed for contractors seeking speed, precision, and reliability in various drilling applications. Unlike traditional welding methods, the MH-3B uses a high-strength bolt and locknut system to secure the roller into the core barrel. This innovative design allows for fast roller replacement, reducing downtime from days to just 1-2 hours.

Pin & Bolts Connection

 • Design: Pin for alignment, dual bolts for secure fastening.

• Anti-Loosening: Washers ensure strong, stable connections.

• Fast Replacement: On-site changes completed in just 15 minutes.

• Durability: Built for long-term, heavy-duty use.

Tooth Arrangement

 • Precise Tooth Placement: The flange ensures accurate tooth alignment, eliminating the hassle of on-site positioning.

• High Spiral Design: Facilitates faster slag removal, improving drilling speed and efficiency.

• Optimized Workflow: Reduces downtime, allowing for quicker progress during operations.

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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