Custom Drill Bit Solutions | 6-Tooth 7° Ball-Tooth Drill Bit | 15-20% Drilling Efficiency Boost
The Henglong 6-tooth 7° ball-tooth drill bit is a specialized drill bit designed for top-hammer rock drilling tools. With its 7° taper angle design and structure featuring six evenly distributed ball teeth, it offers high drilling accuracy, stable impact force transmission, and excellent wear resistance and durability. It is ideally suited for rock drilling operations in medium-hard to hard rock formations .
This drill bit is equipped with 6 evenly distributed, high-hardness ball teeth, featuring a ballistic tooth profile and wear-resistant surface treatment. The 6-tooth configuration evenly distributes impact stress, preventing overload and damage to individual teeth, achieving the dual advantages of "efficient crushing + low wear" in hard rock drilling .
Core Advantages
1. Precise and Efficient
The 7° taper angle design ensures drilling linearity, suitable for applications requiring high hole position accuracy, such as blast holes and anchor bolt holes; the 6-tooth layout optimizes drilling speed, increasing drilling efficiency by 15%-20% in hard rock.
2. High Durability
The carbide teeth have a hardness of over HRA90, and the base material has excellent fatigue strength, extending the service life by 20%-30% compared to ordinary drill bits.
3. Wide Compatibility
Compatible with mainstream international top hammer rock drills and standard tapered drill rods from manufacturers such as Atlas Copco and Sandvik, eliminating the need for additional adapters and reducing equipment replacement costs.
4. Versatile Applications
Flexibly adapts to various operating scenarios, including open-pit mining, underground tunneling, stone quarrying, and civil engineering anchoring, suitable for small-diameter (32-45mm) drilling requirements.
Custom Made
Each drill bit undergoes rigorous impact and wear resistance testing before leaving the factory to ensure quality. Customized tooth profiles and taper angles are available to meet the specific needs of different working conditions.
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