The Omega Products DV50 Test Arbor is a DIN 69871 master mandrel designed to provide a precise, repeatable reference for toolholders and spindle adapters in milling applications. It helps shops verify seating and alignment before production runs, ensuring your tooling setup is accurate and dependable.

With a 350 mm gauge length, this DV50 arbor offers ample reach for testing longer fixtures and center-to-center alignments, making it a versatile reference in busy machine shops. It’s ideal for engineers, machinists, and maintenance teams who need a reliable standard for quick, confident setup checks and calibration tasks.

• DIN 69871 compatibility: Ensures seamless mounting with standard tool holders and predictable seating, delivering repeatable alignment for faster, more reliable setups.
• 350 mm gauge length: Provides a generous testing span for long fixtures and center-to-center checks, reducing the need for extra adapters and simplifying workflow.
• Master mandrel for calibrated accuracy: Built to tight tolerances to serve as a stable reference, helping you detect runout, calibrate holders, and validate spindle geometry with confidence.

Using the DV50 Test Arbor in your setup routine helps improve workflow efficiency, minimize downtime, and deliver consistent, high-quality results. The durable, precision-machined arbor acts as a trusted standard across operators and machines, giving you a reliable foundation for accurate tool seating and repeatable performance.