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Tool Steel Square Bar

Tool Steel Square Bar

Tool steel square bar is designed for demanding tooling applications that require high strength, wear resistance, and dimensional stability. Manufactured from alloyed tool steels and available in standard, precision ground, and oversize conditions, square bars provide reliable performance in cold work, hot work, and shock resistant applications. Precision ground options offer controlled surface finish and flatness, making them ideal for parts that require tight tolerances after heat treatment.


Applications: Tooling, dies, punches, molds, industrial blades, precision machined components.


Available Alloys: A2 | D2 | H13 | O1 | S7 | W1


Material Properties

Link Icon Tool Steel Product Guide | Link Icon Tool Steel Square Bar Tolerances

38 Results

1/8" Tool Steel Square Bar W1 Cold Drawn Part # 19363

1/8" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19363
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$8.31 for 1
$8.31 ea.
Camera Expand Details

Dimensions

  • Height: 0.125"
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Key Features

MTR FREEMTRAvailable
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1/4" Tool Steel Square Bar W1 Cold Drawn Part # 19365

1/4" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19365
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$16.76 for 1
$16.76 ea.
Camera Expand Details

Dimensions

  • Height: 0.25"
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Key Features

MTR FREEMTRAvailable
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3/8" Tool Steel Square Bar O1 Ground Oversize Part # 12435

3/8" Tool Steel Square Bar O1 Ground Oversize -
Part #: 12435
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$68.00 for 1
$68.00 ea.
Camera Expand Details

Dimensions

  • Height: 0.375"
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Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
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1/2" Tool Steel Square Bar O1 Ground Oversize Part # 12437

1/2" Tool Steel Square Bar O1 Ground Oversize -
Part #: 12437
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$77.63 for 1
$77.63 ea.
Camera Expand Details

Dimensions

  • Height: 0.5"
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
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1" Tool Steel Square Bar A2 Ground Oversize Part # 12446

1" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12446
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$380.88 for 1
$380.88 ea.
Camera Expand Details

Dimensions

  • Height: 1"
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
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tool-steel-square-bar-a2-oversize-1superZoom

1.5" X 1.5" Tool Steel Square Bar S7 Part # mp-00003078

1.5" X 1.5" Tool Steel Square Bar S7 -
Part #: mp-00003078
Sold & Shipped by MSP Metals
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$93.22 for 1
$93.22 ea.
Camera Expand Details

Dimensions

  • Width: 1.5"
  • Temper: Annealed
  • Height: 1.5"
View more product details Click for more details
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Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
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tool-steel-square-bar-d2-1superZoom

1/16" Tool Steel Square Bar W1 Cold Drawn Part # 19362

1/16" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19362
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$3.54 for 1
$3.54 ea.
Camera Expand Details

Dimensions

  • Height: 0.0625"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
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tool-steel-square-bar-w1-cold-drawn-1superZoom

3/32" Tool Steel Square Bar W1 Cold Drawn Part # 19374

3/32" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19374
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.36 for 1
$6.36 ea.
Camera Expand Details

Dimensions

  • Height: 0.09375"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
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tool-steel-square-bar-w1-cold-drawn-1superZoom

3/16" Tool Steel Square Bar W1 Cold Drawn Part # 19364

3/16" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19364
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$15.44 for 1
$15.44 ea.
Camera Expand Details

Dimensions

  • Height: 0.1875"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
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tool-steel-square-bar-w1-cold-drawn-1superZoom

3/16" Tool Steel Square Bar O1 Ground Oversize Part # 12429

3/16" Tool Steel Square Bar O1 Ground Oversize -
Part #: 12429
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$85.18 for 1
$85.18 ea.
Camera Expand Details

Dimensions

  • Height: 0.1875"
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
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tool-steel-square-bar-o1-oversize-1superZoom

3/16" Tool Steel Square Bar A2 Ground Oversize Part # 12428

3/16" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12428
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$118.15 for 1
$118.15 ea.
Camera Expand Details

Dimensions

  • Height: 0.1875"
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom

1/4" Tool Steel Square Bar O1 Ground Oversize Part # 12431

1/4" Tool Steel Square Bar O1 Ground Oversize -
Part #: 12431
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$49.97 for 1
$49.97 ea.
Camera Expand Details

Dimensions

  • Height: 0.25"
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom

1/4" Tool Steel Square Bar A2 Ground Oversize Part # 12430

1/4" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12430
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$113.21 for 1
$113.21 ea.
Camera Expand Details

Dimensions

  • Height: 0.25"
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom

5/16" Tool Steel Square Bar W1 Cold Drawn Part # 19366

5/16" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19366
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$38.20 for 1
$38.20 ea.
Camera Expand Details

Dimensions

  • Height: 0.3125"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

5/16" Tool Steel Square Bar O1 Ground Oversize Part # 12433

5/16" Tool Steel Square Bar O1 Ground Oversize -
Part #: 12433
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$54.05 for 1
$54.05 ea.
Camera Expand Details

Dimensions

  • Height: 0.3125"
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom

5/16" Tool Steel Square Bar A2 Ground Oversize Part # 12432

5/16" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12432
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$133.06 for 1
$133.06 ea.
Camera Expand Details

Dimensions

  • Height: 0.3125"
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom

3/8" Tool Steel Square Bar A2 Ground Oversize Part # 12434

3/8" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12434
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$160.42 for 1
$160.42 ea.
Camera Expand Details

Dimensions

  • Height: 0.375"
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom

7/16" Tool Steel Square Bar W1 Cold Drawn Part # 19368

7/16" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19368
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$57.59 for 1
$57.59 ea.
Camera Expand Details

Dimensions

  • Height: 0.4375"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

1/2" Tool Steel Square Bar W1 Cold Drawn Part # 19369

1/2" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19369
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$72.56 for 1
$72.56 ea.
Camera Expand Details

Dimensions

  • Height: 0.5"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

1/2" Tool Steel Square Bar A2 Ground Oversize Part # 12436

1/2" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12436
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$152.45 for 1
$152.45 ea.
Camera Expand Details

Dimensions

  • Height: 0.5"
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom

5/8" Tool Steel Square Bar W1 Cold Drawn Part # 19370

5/8" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19370
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$108.13 for 1
$108.13 ea.
Camera Expand Details

Dimensions

  • Height: 0.625"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

5/8" Tool Steel Square Bar O1 Ground Oversize Part # 12440

5/8" Tool Steel Square Bar O1 Ground Oversize -
Part #: 12440
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$101.53 for 1
$101.53 ea.
Camera Expand Details

Dimensions

  • Height: 0.625"
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom

5/8" Tool Steel Square Bar A2 Ground Oversize Part # 12438

5/8" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12438
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$207.50 for 1
$207.50 ea.
Camera Expand Details

Dimensions

  • Height: 0.625"
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom

3/4" Tool Steel Square Bar W1 Cold Drawn Part # 19371

3/4" Tool Steel Square Bar W1 Cold Drawn -
Part #: 19371
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$159.22 for 1
$159.22 ea.
Camera Expand Details

Dimensions

  • Height: 0.75"
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-w1-cold-drawn-1superZoom

3/4" Tool Steel Square Bar O1 Ground Oversize Part # 12443

3/4" Tool Steel Square Bar O1 Ground Oversize -
Part #: 12443
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$130.88 for 1
$130.88 ea.
Camera Expand Details

Dimensions

  • Height: 0.75"
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom
Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-o1-oversize-1superZoom

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