*OD-tolerance: D=6 -0.015 ~ -0.038, D≧8 -0.020 ~ -0.047 *High speed cutting. *Excellent performance in dry cutting.
*OD-tolerance: D=6 -0.015 ~ -0.038, D≧8 -0.020 ~ -0.047 *High speed cutting. *Excellent performance in dry cutting.