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High-efficiency, wear-resistant cutting tools designed for hard rock tunneling.

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Medium–Hard to Hard Rock Type

Product Highlights

Designed for limestone, dolomite, and moderately weathered sandstone. The 42CrMo forged body with gradient heat treatment delivers a hard, wear-resistant outer layer and a tough, impact-resistant core. Coarse-grain carbide tips ensure stable cutting and chipping resistance under complex conditions. An optimized 95% brazing integrity forms a strong metallurgical bond, providing reliable performance in long-term, high-load excavation.

Product Structure

Performance Advantages

Maintains high cutting efficiency and low vibration in 80–150MPa rock formations.
Excellent impact and chipping resistance of the carbide tip, with uniform wear.
Cold-forged body effectively distributes impact loads, reducing fatigue failure.
Ensures stable rotation and consistent cutting depth for smooth, efficient excavation.