Sherwood 1/8" HSS S/S SP/FL MACHINE REAMER

Left hand spiral flute, right hand cutting. Manufactured to BS 122. INCH TOLERANCES: Diameter: ~ up to 1/8". Tolerance: High +0.0003, Low -0.0001. Diameter: Over 1/8" ~ up to 15/64". Tolerance: High +0.0004, Low -0.0002. Diameter: Over 15/64" ~ up to 3/8". Tolerance: High +0.0005, Low -0.0002. Diameter: Over 3/8" ~ up to 5/8". Tolerance: High +0.0006, Low -0.0003.