The MH-2 roller bit is one of FIRMTECH’s most trusted products, featuring over 2.3 kg of inserts in each cone. With its legacy as a benchmark in the industry, the MH-2 has garnered widespread acclaim from clients around the globe. This classic first-generation leg design has been in use for over 100 years, originating from tricone bit design. Our latest third-generation cone incorporates fully covered inserts, ensuring exceptional performance.

Classic Type

1st Generation Body

• Tricone Bit Design

• Shape: Irregular body shape

• Advantages:

  • High torque & drilling weight capacity

Vaccum Grease Systerm

• Piling Design

• 0.6 Mpa consistent pressure

• Advantages:

  • No rubber component, less vulnerable to welding heat

  • 20% bearing working life increase

3rd Generation Cone

• Piling Design 3rd Generation

• Inserts Qty: Maximized 52 pcs 

• OD: 139 mm 

• Feature: Full covered insert, no blind spot

• Performance: Maximum duration & penetration rate

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

LARGE

HOLDER TYPE

HOLDER TYPE

BOLTS TYPE

Related Products