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ThinBit, manufactured by Kaiser Tool Co., has expanded its shank options to include 90-degree presentation as part of the Mill A Groove line. This configuration is said to allow greater compatibility with boring heads, improved rigidity, increased cutting diameters and greater user flexibility. Shanks are available in common standard and metric sizes.

According to the company, the Mill A Groove line offers better sealing surfaces because of a smoother and more consistent tool surface finish. The tool is said to eliminate the need for secondary lathe operations for face grooving. The insert does not rotate about its own center, so the groove can be symmetrical or asymmetrical, enabling the machining of step grooves, convex and concave radius grooves, chamfered edges, angles and special profiles with one tool.

Toolholders are designed to work in combination with boring heads and are available in common sizes with straight and 90-degree orientations.

Inserts for the Mill A Groove system are available from 0.004" to 0.150" in 0.001" increments. Major diameters start at 0.300". Inserts are available in sub-micron grain carbide grades for ferrous and nonferrous materials and in HSS for composites and plastics. Inserts can be coated with TiN, TiCN, TiAIN or diamond film coatings. Kaiser Tool also offers PCD and CBN tipping options for improved performance in hard or abrasive materials.