HSS REAMER AND HAND REAMER      The company produces φ3~φ50mm high speed steel, alloy tool reamer meetISO standards, the provisions of the national standard GB/T precision grade forthe H7, H8, H9. Stable quality, excellent performance, in machinerymanufacturing, automotive and aerospace and other fields has been widely used.Also can undertake all kinds of special structure and specifications of thereamer order.