Vortex Boring Bar Clamp Lock - Steel Shank 95 Deg - For CNMG1204 Inserts - S40T-MCLNR12The Vortex Boring Bar Clamp Lock with a steel shank is a precision tool accessory designed for machinists who work with CNMG1204 inserts. Its clamp lock design and 95 degree geometry deliver secure insert retention and versatile boring capability for turning, facing, and chamfering tasks. Clamp Lock Mechanism: Securely holds CNMG inserts in place, dramatically reducing movement and chatter for cleaner, more consistent cuts. 95 Degree Cutting Angle: