Vortex Boring Bar Screw Shank Reduced Vibration - HSS Shank 95 Deg - Not Through Coolant - For DCMT/DCGT Inserts - H16QSDUCR07The Vortex Screw Shank Reduced Vibration Boring Bar is built for machinists who demand precise, repeatable bores using DCMT and DCGT inserts. Its screw shank design and robust HSS shank deliver secure clamping and stable cutting performance, even in demanding applications. Shank material: High Speed Steel (HSS) shank for rigidity and long tool life at high cutting speeds Head angle: 95 geometry to optimize insert engagement and chip control Vibration