HHIP 3906-4124 MT4 x 386mm Test/Alignment Mandrel is a precision tool designed to check and verify the alignment of machine spindle axes. This mandrel is commonly used in machine shops, tool rooms, and inspection environments to diagnose spindle accuracy, tailstock alignment, and overall machine geometry. It provides an accurate reference for spindle and center alignment, ensuring precision in machining and inspection operations.
Features:
- Precision-ground and heat-treated high-grade tool steel construction for durability and accuracy.
- Represents the axis of rotation to check alignment between centers.
- Mounted between centers to provide a straight-line reference for alignment checks.
- T.I.R. (Total Indicator Runout) is less than 5 microns per 6″ for exceptional precision.
- Rigid and stable design minimizes deflection and maintains accurate measurements.
Benefits:
- Ensures accurate spindle and center alignment for precise machining operations.
- Durable tool steel construction provides long-lasting reliability.
- Reduces setup errors and improves overall machining quality.
- Easy to use with standard machine setups between centers.
Technical Specifications:
- Model: 3906-4124
- Size: MT4 x 386mm
- Material: High-grade tool steel
- T.I.R. (Total Indicator Runout): <5 microns per 6"
- Use: Checking spindle and center alignment








