Special tooling Various types of special tooling are available upon request. Some examples are shown below. Please contact your sales representative for further information. Counterboring Head Full ball radius Corner radius Compound radius Flat bottom radius Special step drill Special grade Not only the standard grades and combinations as shown in the catalogue, but also various types of special grades and combinations are available through years of experience and research. Applying suitable special grades can make the productivity high and stable with work-piece materials that are difficult to process with standard grades, or even under unstable cutting conditions. Please contact your sales representative for further information. Tungaloy 27