Vortex Boring Bar Pin Lock - Steel Shank 93 Deg - For DNMG1506 Inserts - S40T-PDUNR15The Vortex Boring Bar Pin Lock with a steel shank is a precision solution designed for machinists who work with DNMG1506 inserts (PDUNR). Its 93 degree geometry and robust construction deliver dependable turning and boring performance with consistent accuracy. Steel shank construction: Built to withstand heavy cutting and resist deflection for reliable throughout use performance. 93 design for DNMG1506 inserts: Optimized geometry that supports clean,