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{"title":"SR32 41mm Threaded Button Bit with YK05 Tungsten Carbide for Rock Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/fb\/13425e230bda090aac3238fb168b-200x200-1\/sr32_41mm_threaded_button_bit_with_yk05_tungsten_carbide_for_rock_drilling.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"SR32\u00d741mm","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS"}}
{"title":"10 Tooth T38 Thread Retrac Button Bit Drilling For Medium Hard Hard Rock","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/31\/1a5c78acc9eab118ff65aec09f77-200x200-1\/10_tooth_t38_thread_retrac_button_bit_drilling_for_medium_hard_hard_rock_formations.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
{"title":"7 Tooth 11 Degree Taper Button Bit 42mm Diameter For Rock Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/80\/0b3c550383e49044abac6d2ee11a-200x200-1\/7_tooth_11_degree_taper_button_bit_42mm_diameter_for_rock_drilling.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
{"title":"14 Tooth T51 Threaded Button Bit Impact Resistant Anti Jamming","imgUrl":"https:\/\/img.chinax.com\/nimg\/75\/41\/34a8d8f4bafbe4a99fd8748abaad-200x200-1\/14_tooth_t51_threaded_button_bit_impact_resistant_anti_jamming.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"7516-1915-S48","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS"}}
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High Precision Rock Reaming Tools | Heavy Duty Button Reaming Bits
Facing issues with inaccurate pilot holes and undersized boreholes in rock drilling projects? Our professional precision reaming tools are engineered to solve these pain points perfectly. Designed for heavy duty drilling scenarios, these tools efficiently expand pre-drilled pilot holes to standard dimensions while delivering smooth, high-quality hole wall finishes, ensuring reliable borehole accuracy for all rock engineering projects.
Reaming is a core secondary drilling process that calibrates and optimizes preliminary pilot holes after initial drilling. We supply a full lineup of rock reaming tool solutions, including pilot reaming assemblies, dome type button reaming bits and adapter type button reaming bits. The pilot reaming assembly adopts a split structure of pilot adapter and button reaming bit, while dome type and adapter type bits feature an integrated one-piece design for higher structural stability and easier on site operation.
Reaming Tool Technical Specifications
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°
Core Advantages & Performance Features
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.
Wide Industrial Applications
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.
HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self dr... HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self dr...