Dorian Tool DQ35CXA-41S-1500-DUAL 1-1/2in Dual Boring Bar Holder

The Dorian Tool DQ35CXA-41S-1500-DUAL is a new, USA-made dual boring bar holder designed for use with CXA (No. 3) size quick-change tool post systems, accepting boring bars with a 1-1/2 in (1.500 in) round shank diameter. The 'DUAL' designation indicates the holder features two independent boring bar clamping bores side by side in a single block, secured via socket head cap screws visible on the front face, allowing two bars to be staged simultaneously for rapid changeover. Machined from hardened steel with a black oxide finish for corrosion resistance, the block incorporates a split-clamp design on each bore — visible in the top-down photo — which provides 360-degree clamping force and precise, repeatable tool centerline height. This holder is compatible with Dorian's CXA quick-change tool post systems and fits lathes in the swing range appropriate for CXA tooling (typically 13–18 in swing), making it suited for production turning and boring operations requiring fast tool changes between bar sizes or insert styles.

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