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Seco Tools has expanded its long-reach turning and boring products with additions to its Steadyline vibration-damping turning/boring bars. The new additions include 1.00" (25-mm) diameter Steadyline bars, GL25 turning heads and 4.00" (100-mm) diameter Steadyline bars, along with a range of rough- and fine-boring heads.

Steadyline tools are said to deliver accuracy in long-overhang applications and boring operations ranging in depth to 10×D for small or large holes. In addition to the Steadyline’s internal damping system, the short and compact GL heads are also said to maximize vibration absorption, making it possible to use extended lengths without tool chatter. The GL connection is designed for quick change-out of turning and boring tool heads while providing centering accuracy and repeatability of 5 microns and 180-degree head reorientation if required.

The 1.00" (25-mm) diameter bars with GL25 workpiece-side connection for 6×D, 8×D and 10×D reach are carbide-reinforced to meet deep tool overhang challenges. These tools are also available with Seco-Capto, HSK-T/A and cylindrical shank machine-side interfaces. The 16 new GL25 turning heads are designed for applications like general turning, recessing and back boring with DN..11, CC..09, DC..07, DC..11, TC..11 and VB..11 inserts. The larger 4.00" (100-mm) diameter bars accommodate existing GL50 turning heads and incorporate Jetstream Tooling high-pressure coolant technology for adapters BA through GL50.