Round Shank Bit/Carbide bullet tooth For tunnelling/mining roadway Cutter Head replacement

Product Description: Round shank bit /Carbide Bullet Tooth for TBM cutter head spare parts 1. Alloy steel body is made by material ASTM4140 (42CrMoA), heat treatment with HRC38-42 hardness, has high toughness and wearable ...learn more
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