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Roller cutter, Disc Cutter Rings, Shafts, Scrapers, etc. Size: 137mm---432mm (5.4inch---17inch). They are apply to the sand limestone, dolomite, kimestone, condensate, such as granite from soft rock to hard rock, all rocks. And they are suitable for Herrenknecht, Mitsubishi, Wirth, Komatsu, Robbins tunnel boring machines, we also can produce according to customer's drawings or samples.
