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瑞典AtIas Copco公司近期推荐的,适用于掘进和深孔钻进的球齿钎头。钎头上装置9个球面柱状硬质合金。钎头的直径范围为45毫米～57毫米。碳化钨球齿合金是以强压入配合装在优质钢的钎头体上。按制造厂提出的钻速比镶焊硬合金片钎头的
Recently recommended by Sweden AtIas Copco company for drilling and deep hole drilling bit. Drill head device 9 spherical cylindrical cemented carbide. Drill bit diameter range of 45 mm ~ 57 mm. Tungsten carbide ball teeth alloy is equipped with a strong pressure into the high-quality steel bit body. According to the diamond drill factory made than the price of hard alloy chip welding bit