🔧 MT4 Lathe Alignment Test Bar 15-1/4" (385mm) | EN31 Alloy Steel Precision Test Mandrel

Tags: / bluefox tools / EN31 alloy steel test bar / hardened ground test bar / lathe alignment bar / lathe tailstock alignment tool / Morse taper 4 test bar / MT4 alignment test bar / mt4 test mandrel / spindle alignment test bar / spindle inspection bar

🔧 MT4 Lathe Alignment Test Bar 15-1/4" (385mm) | EN31 Alloy Steel Precision Test Mandrel

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$56.99; $56.99
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The MT4 Lathe Alignment Test Bar is a precision-ground inspection and calibration tool designed for accurately checking and correcting lathe tailstock and spindle alignment. Manufactured from premium EN31 alloy steel, this test mandrel helps eliminate taper errors during long turning operations and ensures optimum machining accuracy.

Featuring a Morse Taper No. 4 (MT4) shank, this alignment bar can be used directly in MT4 spindle tapers or between centers for precision alignment testing. With a maximum run-out of only 0.0002", the test bar provides highly accurate and repeatable measurements, making it an essential tool for machine shops, tool rooms, maintenance departments, and precision engineering workshops.

Whether used for machine calibration, spindle inspection, or tailstock realignment, this hardened and precision-ground test bar helps maintain the highest standards of machining performance and accuracy.

✨ Key Features

✅ Precision MT4 Lathe Alignment Test Bar

✅ Manufactured from Premium EN31 Alloy Steel

✅ Hardened & Precision Ground Construction

✅ Maximum Run-Out: 0.0002"

✅ Ideal for Tailstock Realignment

✅ Suitable for Spindle Alignment Testing

✅ Can Be Used Between Centers or in Morse Taper Spindles

✅ Helps Eliminate Taper Errors During Long Turning Operations

✅ Excellent Wear Resistance and Dimensional Stability

✅ Professional Workshop Quality Inspection Tool

📏 Specifications

Product Type: Lathe Alignment Test Bar
Shank Type: Morse Taper No. 4 (MT4)
Material: EN31 Alloy Steel
Overall Length: 15-1/4" (385mm)
Maximum Run-Out: 0.0002"
Construction: Hardened & Precision Ground
Application: Machine Alignment & Calibration

🛠️ Applications

🔹 Tailstock Alignment

🔹 Spindle Alignment Testing

🔹 Between Centers Inspection

🔹 Lathe Calibration

🔹 Machine Accuracy Verification

🔹 Precision Turning Setup

🔹 Tool Room Inspection

🔹 Engineering Workshops

🔹 Machine Shop Maintenance

🔹 Quality Control Testing

🔹 Metalworking Operations

🔹 Precision Manufacturing

📦 Package Contents

1 x MT4 Lathe Alignment Test Bar
Precision Ground EN31 Alloy Steel Construction