The Omega DV40 Test Arbor is a DIN 69871 master mandrel designed to serve as a precise reference for testing and calibrating tool holders in DIN 69871 CNC setups. With a 300 mm gauge length, this DV40 arbor provides a stable, dependable reference point for alignment checks, setup verification, and ongoing quality control in machine shops and manufacturing environments.

• DIN 69871 Master Mandrel: Designed as a DIN 69871 master mandrel, this DV40 test arbor integrates smoothly with standard tool holders, delivering reliable mounting and repeatable calibration checks.
• 300 mm Gauge Length: The generous 300 mm gauge length provides ample reach for safe handling and stable measurements during setup and verification across multiple machines.
• DV40-focused Design: Specifically built as a DV40 test arbor, it provides a dedicated reference for DV40 configurations, helping ensure consistent results and streamlined setup in DV40 tooling environments.

Whether you’re an engineer, machinist, or workshop technician, this DV40 Test Arbor delivers a clear, stable reference that supports accurate alignment, reliable test results, and faster, more confident tool calibrations across CNC applications.