Las brocas de botón de rosca XTC Luoyang cubren tipos regulares, retrac y de escariado. Con mayor capacidad de fijación de botones, mayor vida útil, mejor resistencia al desgaste y rendimiento de resistencia a impactos, son ampliamente utilizados en túneles, minería subterránea, minería a cielo abierto, anclaje y otros proyectos de construcción a gran escala.
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