🔧 BLUEFOX TOOLS 40mm × 400mm Lathe Alignment Test Bar – EN31 Hardened & Ground Parallel Shank Mandrel

🎯 Precision Lathe Alignment Test Bar – 40mm Diameter, 400mm Length | EN31 Alloy Steel

Improve machine setup and inspection with the BLUEFOX TOOLS Lathe Alignment Test Bar, a precision-engineered lathe test mandrel designed to help check headstock and tailstock alignment on compatible metal lathes. Manufactured from EN31 alloy steel and hardened and ground for precision, this parallel shank test bar provides a reliable reference for machine alignment, inspection, maintenance and precision turning operations.

With a 40mm diameter and 400mm (15-3/4") overall length, this precision lathe mandrel is suitable for engineering workshops, toolrooms, machine shops and industrial machining environments. Its accurately finished parallel surface helps machinists assess alignment and identify potential setup errors that can affect turning accuracy.

Specified with accuracy within 2 microns and maximum run-out of 0.0001", this test bar is designed for demanding inspection applications. Actual measurement results depend on the machine, mounting method, measuring equipment and inspection procedure.

⭐ Key Features & Benefits

• 🎯 Precision Lathe Alignment: Designed to help check headstock, tailstock and overall lathe alignment.

• 🔩 EN31 Alloy Steel Construction: Made from EN31 alloy steel for strength, durability and wear resistance.

• ⚙️ Hardened & Ground Finish: Precision-finished surface for dimensional consistency and repeated inspection use.

• 📏 40mm Diameter: Provides a substantial parallel reference surface for suitable lathe alignment checks.

• 📐 400mm Overall Length: Long test mandrel design for machine inspection and alignment applications.

• 🔍 Specified Accuracy Within 2 Microns: Intended for precision inspection and machine setup tasks.

• 📊 Maximum Run-Out: 0.0001": A stated run-out specification for precision alignment applications.

• 🛠️ Parallel Shank Design: Suitable for checking alignment when correctly mounted in a compatible machine setup.

• 🏭 Professional Workshop Use: Ideal for machinists, toolmakers, maintenance technicians and engineering workshops.

• 🎯 Precision Machining Support: Helps identify potential alignment issues that may affect turning performance.

📐 Product Specifications

🏭 Applications

• 🔧 Lathe headstock alignment checks

• ⚙️ Tailstock alignment inspection

• 📐 Headstock-to-tailstock alignment verification

• 🎯 Metal lathe setup and precision turning preparation

• 🔍 Machine tool inspection and maintenance

• 🛠️ Engineering workshop and toolroom applications

• 📊 Precision machining quality checks

• 🏭 Industrial machine alignment procedures

💡 Why Choose BLUEFOX TOOLS?

The BLUEFOX TOOLS Precision Lathe Test Bar is designed for machinists who need a reliable reference tool for machine alignment and inspection. Its EN31 alloy steel construction, hardened and ground finish, and parallel shank design make it a useful addition to professional machining and maintenance equipment.

Whether you are checking a lathe setup, inspecting alignment or carrying out routine machine maintenance, this test mandrel supports systematic alignment checks on compatible equipment.

📦 Package Includes

• 1 × BLUEFOX TOOLS 40mm × 400mm Lathe Alignment Test Bar