RFSS-DLC Carbide Radical Mill Reamer DLC Coating for Stepped Hole (Straight Shank) This reamer is used for drilling a stepped hole in a workpiece. Carbide Radical Mill Reamer DLC Coating for Stepped Hole (Straight Shank) Catalog Download Carbide Radical Mill Reamer DLC Coating for Stepped Hole (Straight Shank) PDFDownload ×