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.
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🔧 MT4 Lathe Alignment Test Bar 15-1/4" (385mm) | EN31 Alloy Steel Precision Test MandrelThe 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...
- $56.99
- $56.99
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🔧 Lathe Alignment Test Bar Set 1MT, 2MT, 3MT, 4MT & 5MT | 5 Piece EN31 Alloy Steel Precision Test Mandrel KitThe 5 Piece Lathe Alignment Test Bar Set is a comprehensive precision inspection and calibration kit designed for accurately checking spindle alignment, tailstock alignment, and machine accuracy across a wide range of lathes. Manufactured from premium EN31 alloy steel, these hardened and precision-ground test...
- $257.44
- $257.44
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🔧 MT2 & MT3 Lathe Alignment Test Bar Set | EN31 Alloy Steel Precision Test Mandrels (283mm & 335mm)The MT2 & MT3 Lathe Alignment Test Bar Set is a professional-grade precision alignment kit designed for checking and correcting lathe tailstock and spindle alignment. Manufactured from premium EN31 alloy steel, these hardened and precision-ground test bars help eliminate taper errors during long turning...
- $56.99
- $56.99
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🔧 MT2 Lathe Alignment Test Bar 283mm (11-1/8") | EN31 Alloy Steel Morse Taper 2 Test MandrelThe MT2 Lathe Alignment Test Bar is a high-precision inspection and alignment tool designed to accurately check and correct lathe tailstock and spindle alignment. Manufactured from premium EN31 alloy steel, this precision-ground test bar helps eliminate taper errors during long turning operations and ensures...
- $31.34
- $31.34
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🔧 3MT Lathe Alignment Test Bar MT3 | 335mm EN31 Alloy Steel Precision Tailstock Alignment ToolThe MT3 Lathe Alignment Test Bar is a precision-engineered inspection and alignment tool designed for accurately checking and correcting lathe tailstock and spindle alignment. Manufactured from premium EN31 alloy steel, this hardened and precision-ground test bar helps eliminate taper errors when turning long workpieces...
- $42.74
- $42.74
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Lathe Alignment Test Bar 400mm Parallel Shank Mandrel | Precision EN31 Steel | Wooden Box | UK STOCKPrecision Parallel Shank Test Bar for Lathe Alignment The BLUEFOX Lathe Alignment Test Bar is a high-precision inspection and setup tool designed for accurately aligning a lathe tailstock to the headstock. Manufactured from premium EN31 alloy steel, the test bar is hardened and precision...
- $128.55
- $128.55
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MT2 Lathe Alignment Test Bar M10 Tapped | 11-1/8" Precision Morse Taper Test Bar | UK STOCKPrecision MT2 Lathe Alignment Test Bar with M10 Thread The BLUEFOX MT2 Lathe Alignment Test Bar is a precision inspection tool designed for checking and correcting lathe tailstock alignment. Manufactured from premium EN31 alloy steel, the bar is hardened, precision ground, and finished to...
- $31.75
- $31.75
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5MT Lathe Alignment Test Bar | Morse Taper 5 Alloy Steel Test Mandrel 442mm with Wooden Box | UK STOCKPrecision MT5 Lathe Alignment Test Bar This 5MT Lathe Alignment Test Bar is a precision measuring and setup tool designed for checking and correcting lathe headstock and tailstock alignment. Manufactured from high-quality alloy steel, hardened and precision ground for maximum accuracy, it helps eliminate...
- $101.75
- $101.75
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MT3 Lathe Alignment Test Bar | 335mm (13-3/16") | EN31 Alloy Steel | Wooden Box | UK STOCKPrecision MT3 Lathe Alignment Test Bar This MT3 Lathe Alignment Test Bar is designed for accurately checking and aligning lathe headstock and tailstock centers. Manufactured from premium EN31 alloy steel, the bar is hardened and precision ground to provide exceptional accuracy and repeatability for...
- $53.40
- $53.40
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MT2 Lathe Alignment Test Bar | 283mm (11-1/8") | EN31 Alloy Steel | Wooden Box | UK STOCKPrecision MT2 Lathe Alignment Test Bar This MT2 Lathe Alignment Test Bar is designed for accurately checking and aligning lathe headstock and tailstock centers. Manufactured from high-quality EN31 alloy steel, the bar is hardened, ground, and precision finished to provide exceptional accuracy for workshop...
- $61.20
- $61.20
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Lathe Alignment Test Bar 272mm (10-3/4") Parallel Shank Mandrel | EN31 Alloy Steel | Wooden Storage Box | UK STOCKPrecision Parallel Shank Test Bar for Lathe Alignment & Inspection This Lathe Alignment Test Bar is a precision-ground parallel shank mandrel designed for checking and correcting lathe alignment. Manufactured from high-quality EN31 alloy steel, the bar is hardened and ground to ensure exceptional accuracy,...
- $62.40
- $62.40
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1MT Lathe Alignment Test Bar MT1 | EN31 Alloy Steel | 151mm OAL | Morse Taper Alignment Bar | UK STOCKPrecision MT1 Lathe Alignment Test Bar for Accurate Machine Setup This MT1 Lathe Alignment Test Bar is a precision-made tool designed to check and correct the alignment of lathe headstocks, tailstocks, and Morse taper spindles. Manufactured from high-quality EN31 alloy steel, the bar is...
- $27.40
- $27.40
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MT4 Lathe Alignment Test Bar EN31 Alloy Steel | Precision Tailstock Alignment Tool | UK STOCKProfessional MT4 Alignment Test Bar for Lathe Accuracy & Calibration The MT4 Lathe Alignment Test Bar is a precision-engineered inspection and calibration tool designed to verify and correct the alignment between a lathe's headstock and tailstock. Manufactured from premium EN31 alloy steel, this test...
- $59.35
- $59.35
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MT2 Lathe Alignment Test Bar EN31 Alloy Steel | Tailstock & Headstock Alignment Gauge | UK STOCKPrecision MT2 Alignment Test Bar for Lathe Setup & Accuracy Verification This MT2 Lathe Alignment Test Bar is a precision-engineered tool designed for checking and correcting the alignment between the headstock and tailstock of a lathe. Manufactured from premium EN31 alloy steel, hardened and...
- $34.80
- $34.80
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MT3 Lathe Alignment Test Bar 335mm (13-3/16") EN31 Alloy Steel Precision Test Bar | UK STOCKPrecision MT3 Lathe Alignment Test Bar for Accurate Tailstock & Spindle Alignment The MT3 Lathe Alignment Test Bar is a precision-engineered tool designed for checking and correcting the alignment of lathe tailstocks, headstocks, and Morse taper spindles. Manufactured from premium EN31 alloy steel, this...
- $45.60
- $45.60
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272mm Precision Lathe Alignment Test Bar 30mm Parallel Shank Mandrel with Wooden Box | DEHigh-Precision Lathe Alignment Test Bar for Tailstock & Headstock Alignment The 272mm Precision Lathe Alignment Test Bar is an essential tool for accurately checking and aligning the tailstock and headstock of your lathe machine. Manufactured from premium EN31 alloy steel, this precision-ground parallel shank...
- $91.80
- $91.80
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MT6 Lathe Alignment Test Bar EN31 Alloy Steel Precision Tailstock Alignment Tool 507mm | DEPrecision MT6 Lathe Alignment Test Bar for Headstock & Tailstock Calibration Achieve superior machine accuracy with this MT6 Lathe Alignment Test Bar, engineered for precise alignment of lathe headstocks, tailstocks, and Morse taper spindles. Manufactured from premium EN31 alloy steel, this precision-ground alignment bar...
- $223.80
- $223.80
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MT4 Lathe Alignment Test Bar EN31 Alloy Steel Precision Tailstock Alignment Tool 385mm | DEPrecision MT4 Lathe Alignment Test Bar for Headstock & Tailstock Calibration Ensure maximum machining accuracy with this MT4 Lathe Alignment Test Bar, designed for precise alignment of lathe headstocks and tailstocks. Manufactured from premium EN31 alloy steel, this precision-ground test bar is ideal for...
- $48.00
- $48.00
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272mm Precision Parallel Test Bar Ø30mm EN31 Hardened & Ground Lathe Headstock Alignment Bar | DEPrecision Parallel Test Bar for Lathe Headstock & Tailstock Alignment Achieve accurate machine setup and alignment with this 272mm Precision Parallel Test Bar, designed for checking and correcting alignment between the headstock and tailstock of lathes. Manufactured from premium EN31 alloy steel, this test...
- $84.96
- $84.96
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MT3 Lathe Alignment Test Bar EN31 Alloy Steel Tailstock Alignment Tool 335mm | DEPrecision MT3 Lathe Alignment Test Bar for Tailstock & Spindle Calibration Achieve precise lathe alignment and eliminate taper errors with this MT3 Lathe Alignment Test Bar, manufactured from premium EN31 alloy steel for superior accuracy, durability, and dimensional stability. Designed for checking and correcting...
- $37.08
- $37.08
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