Wear Resistant Coal Mining Drill Bit 41mm Diameter For High Performance Drilling
Product Name: Coal Mining Drill Bit for High Performance Drilling
Body Length: 87mm
Steel Grade: 42CrMo
Diameter: 41mm
Carbide: 2×14.6mm
Coal mine drill bits are drilling tools used for bolted connections. The 45G Coal Mining Drill Bit is a commonly used drilling tool in coal mining operations. These double-wing integral structure bits feature two cutting edges to improve drilling efficiency and stability.
Available with various connection methods including snap-fit for quick connection/disconnection with drill pipes, and threaded connections with common specifications (R22, R32, T45). The cutting part uses cemented carbide while the trouser body is constructed from high-strength tool steel with rigorous heat treatment to ensure strength and prevent breakage.
Primarily used for drilling anchor support holes in soft to medium-hard rock, these bits are particularly suitable for anchor bolt support operations in coal mine roadways, including roof anchor bolt hole drilling.
- High-quality cutting tools with advanced brazing technology provide exceptional wear resistance and reliable performance, reducing costs while improving efficiency
- Hard alloys offer high hardness, excellent wear resistance, and strong heat resistance
- Fast drilling speed saves time and labor costs with simple, easy-to-operate connection methods

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