High Precision Heavy Duty Button Reaming Bit with Premium Alloy Button Hot Fit Technology for Rock Drilling

We support standardized size configurations to match diverse drilling equipment and rock formation requirements:

• Thread types: R25, R28, R32
• Pilot adapter head diameter: 26mm - 40mm
• Pilot bit cutting angles: 6°, 12°
• Button reaming bit diameter range: 64mm - 102mm
• Button reaming bit angles: 6°, 12°

All our heavy duty reaming tools are fully optimized in structure and material, adapting to harsh rock drilling environments. Every structural detail is refined to deliver stable precision, outstanding durability and efficient drilling performance, reducing equipment downtime and improving overall construction efficiency.

• Premium Alloy Button Hot Fit Technology: Adopts professional heat fitting process to fix alloy buttons firmly on the bit body. This precision manufacturing method eliminates loose components, ensuring long term structural stability and consistent reaming accuracy.
• High Grade Wear Resistant Materials: The tool body and alloy buttons are made of high strength customized raw materials, featuring excellent toughness, impact resistance and abrasion resistance. It effectively resists wear and tear in hard rock and abrasive strata, extending tool service life significantly.
• Customized Structural Adaptability: Diversified tool specifications cover soft rock, medium hard rock and ultra hard abrasive strata. Tailored structural designs match different geological conditions, realizing optimal reaming performance in various complex drilling scenarios.
• High Efficiency Drilling Chip Removal: Optimized cutting tooth layout and streamlined bit structure accelerate drilling penetration speed, while ensuring smooth chip removal. It shortens project construction cycles and greatly improves on site working efficiency.
• Cost Effective Engineering Solution: Balances high performance and competitive pricing. Ultra high durability reduces frequent tool replacement and equipment maintenance downtime, effectively lowering overall operating costs and improving project profit margins.

As key borehole finishing equipment, our precision reaming tools are widely used in mining, tunnel engineering, construction infrastructure and quarrying industries. They standardize borehole size, stabilize hole wall structure, and meet the strict precision requirements of modern engineering for borehole quality.

• Tunnel Blasting Engineering: Accurately expands pilot holes to standard blasting hole diameters, realizing uniform and controllable rock blasting, improving tunnel excavation efficiency and construction safety.
• Construction Infrastructure Projects: Creates high precision foundation holes, anchor bolt holes and pipeline pre burial holes for bridges, high rise buildings and other large projects, guaranteeing structural installation stability and engineering safety.
• Mining Operations: Ideal for processing mine ventilation shafts, drainage holes and blasting boreholes. Precise reaming ensures uniform rock fragmentation and stable underground and open pit mining working environments.
• Quarrying Industry: Produces standard size, uniform boreholes for controlled blasting. It improves stone mining yield, reduces raw material waste, and ensures finished stone products meet commercial dimensional standards.