Carbide reamer is an important tool for semi-finishing or finishing holes. The speed of the reaming can be several times to ten times higher than that of the high speed reamer, the surface roughness can reach Ra1.6~0.4, the precision is 0-7, and the durability is 3~10 higher than the high speed steel reamer. Times. But because of the strength and toughness of the carbide reamer
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