The MH-1 is FIRMTECH’s most cost-effective roller bit, designed for budget-conscious projects without compromising on performance. Made from durable 20CrNiMo steel and featuring 3rd generation leg and roller cone technology, it provides reliable drilling efficiency. Its vacuum grease system extends bearing life, and the flat body allows for quick and easy welding, making it an ideal choice for those new to roller bits or seeking an affordable solution for piling projects up to 2000 mm.

Basic 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

CLASSIC

LARGE

HOLDER TYPE

HOLDER TYPE

BOLTS TYPE

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