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

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Hard Rock / Extreme Hard Rock Version

Product Highlights

Designed for extreme hard rock and fractured rock formations, this series features a high-toughness cold-forged 42CrMo steel body, optimized to distribute impact stress through an internal streamlined structure. The high-density ultra-coarse grain carbide tip delivers excellent wear resistance and anti-fracture performance. Selected models are equipped with an enlarged 95 mm wear protection zone, reinforcing tool holder support and extending overall machine service life.

Type Decomposition Diagram

Performance Advantages

Designed for high-impact conditions with UCS 120–200 MPa, delivering enhanced impact resistance.
Enlarged carbide tip combined with a reinforced shoulder geometry improves stability and wear resistance.
Precision brazing with controlled saturation reduces the risk of tip loss.
Maintains continuous, stable cutting performance in extreme hard rock environments.