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{"title":"Durable Reaming Drill Bit Wear Resistant Hole Reamer Bit For Oil \/ Gas \/","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/e7\/ef0ea0267bdf5c20cef723c2b47c-200x200-1\/durable_reaming_drill_bit_wear_resistant_hole_reamer_bit_for_oil_2f_gas_2f_geological_drilling.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
{"title":"64mm Split Type 11\u00b0 Taper Reaming Drill Bit For Efficient Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/1b\/17\/237190cacb2514ee86745c69ba3e-200x200-1\/64mm_split_type_11_c2_b0_taper_reaming_drill_bit_for_efficient_drilling.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"1441-646-28\/810&1422-261122-10\/7","Place of Origin":"CHINA","Minimum Order Quantity":"1PCS"}}
{"title":"64mm Tapter Reaming Bit Wear Resistant Dome Button Bits For Drifting \/","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/48\/f8a6c0e85631aeb1cd56ad0c74b0-200x200-1\/64mm_tapter_reaming_bit_wear_resistant_dome_button_bits_for_drifting_2f_tunnelling.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"1441-641122-27\/48\/89","Place of Origin":"CHINA","Minimum Order Quantity":"1 PCS"}}
{"title":"Precision Reaming Bit Wear Resistant Reaming Tool Bit 64mm - 127mm With Pilot","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/ce\/0a6cab8c8a4abf1f9a9a30dca60f-200x200-1\/precision_reaming_bit_wear_resistant_reaming_tool_bit_64mm_127mm_with_pilot_adapter.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
{"title":"R28 Thread Reaming Bit Split Type Rock Drill Bit For Center Hole Reaming","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/95\/d8e1ca18b4819d72f87934cb629d-200x200-1\/r28_thread_reaming_bit_split_type_rock_drill_bit_for_center_hole_reaming.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
Adopting top-level heat treatment technology for superior wear resistance and structural stability. Maintains long-term performance in high-intensity tunnel drilling operations, significantly extending equipment service life while reducing replacement frequency and maintenance costs.
Efficient and Accurate Drilling Performance
Rapid Drilling Capacity: Optimized cutting structure achieves ultra-high drilling speed in complex geological environments, accelerating tunnel construction progress.
High-Quality Hole-Forming: Produces straight drilling with smooth hole walls, eliminating burrs and preventing construction issues from poor hole shape.
Extended Service Life: Sophisticated manufacturing and material selection provide drilling life exceeding industry averages, minimizing construction delays.
Structural Design Features
The reaming bit features an innovative two-part design for optimal performance:
Drilling Part: Multiple flutes with sharp cutting edges for precise rock penetration and efficient rock cuttings discharge.
Reaming Part: Includes pilot adapter and first relief with preset angles for stable, accurate reaming. Features secondary relief on reaming ring for enhanced quality and efficiency.
Specifically engineered for tunnel drilling applications, this product combines durability, efficiency and precision - making it the ideal drilling accessory for tunnel engineering construction.
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...