Test Bar

Test Bar – Precision Spindle Alignment & Calibration Tools

Discover our high-accuracy Test Bar Collection, engineered for professional machinists who require perfect spindle alignment and machine calibration. Each test bar is precision ground, hardened, and stabilized to ensure exceptional straightness, concentricity, and taper accuracy—ideal for verifying the performance of lathe machines, milling machines, CNC spindles, and toolroom equipment.

These test bars are essential for checking headstock alignment, spindle runout, taper condition, and machine geometry. Perfect for machine installation, routine maintenance, and troubleshooting accuracy issues, they provide reliable reference standards for both industrial workshops and hobby machinists.

Upgrade your workshop with durable, high-precision test bars that deliver consistent, trustworthy measurement performance for all alignment and calibration tasks.