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{"title":"TMT Miller Drill Bit 80mm R32 Shank Solid Steel Drill Bit for Blast Furnace","imgUrl":"https:\/\/img.chinax.com\/nimg\/9c\/12\/ed44ee3020e9ff79e47b71863d91-200x200-1\/tmt_miller_drill_bit_80mm_r32_shank_solid_steel_drill_bit_for_blast_furnace_tapping.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"TMT-80-R32","Certification":"ISO9001","Place of Origin":"China"}}
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60mm Diameter R32 Light Thread High Temperature Resistant Blast Furnace Drill Bit for Taphole Opening
Specialized all-steel drill bit engineered specifically for blast furnace taphole opening operations. Features R32 light thread connection, 60mm diameter, and compatibility with blast furnace taphole opening machines. Delivers stable, efficient performance under extreme conditions of high temperature, intense wear, and strong impact.
Technical Specifications
Drill Bit Diameter
60mm (suitable for standard blast furnace taphole diameter)
Connecting Thread
R32 light thread for quick connection to R32 threaded drill rods/taphole openers
Structure Type
All-steel cross-shaped design, integrally forged
Applicable Equipment
Blast furnace hydraulic taphole opener with R32 threaded drill rod system
Working Environment
High temperature (≥1200°C), high wear, and strong impact conditions
Design & Construction
Structural Integrity
All-steel unibody forging creates uniform wall thickness, delivering exceptional strength with superior torsional and bending resistance.
Cutting Efficiency
Cross-cutting edge layout ensures smooth slag removal and minimizes drill jamming during operation.
Cooling System
Built-in four corner vents enable forced air cooling for rapid heat dissipation and reduced thermal loss.
Materials & Manufacturing
Cutter Head: High-strength wear-resistant alloy steel with special heat treatment for high temperature resistance, impact resistance, and minimal wear
Base Body: High-quality structural steel with integral reinforcement, balancing toughness and rigidity for high-frequency impact operations
Welding Technology: High-frequency/shielded welding ensures strong bond between cutter head and base body, preventing high-temperature detachment
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...