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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3MT Lathe Alignment Test Bar 335mm | Morse Taper 3 Precision ToolBuy 3MT Lathe Alignment Test Bar 335mm made from high-quality EN31 alloy steel for precision machining. Designed for accurate tailstock alignment, it helps eliminate taper when turning over long distances. This Morse Taper 3 test bar offers high accuracy within 1 to 5 microns...
- $42.70
- $42.70
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BLUEFOX Lathe Alignment Test Bar 272mm (10-3/4") Parallel Shank Mandrel Wooden Box | Diameter 30mm | Accuracy within 2 Micron | Hardened And GroundThis Lathe Alignment Test Bar / Parallel Shank Mandrel (272mm / 10-3/4") is a professional-grade precision tool used for accurate alignment of the tailstock with the headstock on engine lathes, bench lathes, and toolroom lathes. It is an essential accessory for machinists, toolmakers, and...
- $69.99
- $69.99
$60.00- Unit price
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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...
- $49.45
- $49.45
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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...
- $29.00
- $29.00
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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...
- $38.00
- $38.00
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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...
- $76.50
- $76.50
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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...
- $186.50
- $186.50
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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...
- $40.00
- $40.00
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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...
- $70.80
- $70.80
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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...
- $30.90
- $30.90
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MT2 Lathe Alignment Test Bar EN31 Alloy Steel Tailstock Alignment Tool 283mm | DEPrecision MT2 Lathe Alignment Test Bar for Tailstock & Spindle Alignment Ensure accurate lathe setup and eliminate taper issues with this MT2 Lathe Alignment Test Bar, manufactured from premium EN31 alloy steel for exceptional stability, durability, and precision. Designed for checking and correcting tailstock...
- $27.50
- $27.50
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Precision MT3 Lathe Alignment Test Bar with Wooden Storage Box – 335mm (13-3/16”) | Run-out 0.0002” | Morse Taper Mt3 | Parallel Shank Length 245MM | MT3 Taper Length 90MMPRECISION QUALITY LATHE ALIGNMENT TEST BAR SHANK SIZE 3MT. Re-align the tail-stock on your lathe to eliminate that slight taper when turning over a long distance. Useful for alignment test between centers as well as in morse taper spindles
- $49.99
- $49.99
$40.99- Unit price
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Precision Lathe Alignment Mandrel – MT2 & MT3 Double Ended Test Bar, EN8D, 450mm | Bluefox ToolsThe Precision Lathe Alignment Mandrel from Bluefox Tools is an essential instrument for achieving accurate spindle and tailstock alignment in both CNC and manual lathe machines. Designed with precision and reliability in mind, this test bar features a double-ended Morse taper configuration, offering MT2...
- $78.99
- $78.99
$78.99- Unit price
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BLUEFOX TOOLS New Lathe Alignment Test Bar Parallel Shank Mandrel | 272mm (10-3/4") | Efficient Product | 30 mm Diameter Of the bar | EN31 Alloy Steel Material | Sturdy And Worthy ProductPercision Quality Lathe Alignment Parallel Shank Test Bar. Align the tail-stock on your lathe to head stock. Diameter of the bar 30mm. Hardened and Ground
- $65.99
- $65.99
$59.99- Unit price
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BLUEFOX TOOLS New Lathe Alignment Test Bar 400mm (15-3/4") Parallel Shank Mandrel EN31 AlloyQuality Precision Lathe Alignment Parallel Shank Test Bar. Align the tail-stock on your lathe to head stock. Diameter of the bar 40mm. Hardened and Ground. Manufactured from en31 alloy steel.
- $99.00
- $99.00
$99.00- Unit price
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BLUEFOX TOOLS MT5 Lathe Alignment Test Bar Over All Length 400mm (15-3/4") Blue FoxShank : 5MT Max. Run-Out : 0.0002" Overall Length : 400mm (15-3/4") Re-align the tail-stock on your lathe to eliminate that slight taper when turning over a long distance Useful for alignment test between centers as well as in morse taper spindles Manufactured from...
- $110.00
- $110.00
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BLUEFOX TOOLS Lathe Alignment Test Bar 400mm (15-3/4") Parallel Shank Mandrel Wooden BoxPrecision Quality Lathe Alignment Parallel Shank Test Bar Packed in Wooden Box. Align the tail-stock on your lathe to head stock. Hardened and Ground. Manufactured from en31 alloy steel.
- $130.00
- $130.00
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BLUEFOX TOOLS 6MT Lathe Alignment Test Bar MT6 AlloySteel OAL 19-7/8" Inch Accuracy 5 Microns6MT Lathe Alignment Test Bar , Shank : 6MT / MT6 Overall Length: 19-7/8" (507mm) Max. Run-Out: 0.0002” / 5 Microns Re-align the tail-stock on your lathe to eliminate that slight taper when turning over a long distance Useful for alignment test between centers...
- $220.00
- $220.00
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BLUEFOX TOOLS 3MT Lathe Alignment Test-Bar MT3 Over All Length 13-3/16" (335mm) EN31 Alloy1) Re-align the tail-stock on your lathe to eliminate that slight taper when turning over a long distance. 2) Manufactured from EN31 Alloy Selected Steel. 3) Useful for alignment test between centers as well as in Morse Taper Spindles. 4) Accuracy within 1 to...
- $33.99
- $33.99
$33.99- Unit price
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BLUEFOX TOOLS 2MT Lathe Mandrel Alignment Test Bar MT2 11-1/8" (283mm) | EN 31 Alloy Steel | 73 mm Taper Shank Length | Centre Drill | Hardened And GroundEnsure precision and perfect alignment in your lathe with our 2MT Lathe Alignment Test Bar, expertly crafted from superior EN31 alloy steel for maximum durability and accuracy. Designed for professional machinists, hobbyists, and metalworking enthusiasts, this test bar is essential for checking and re-aligning...
- $29.99
- $29.99
$29.99- Unit price
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