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Ground Flat Stock

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Ground Flat Stock

Ground flat stock at OnlineMetals is a precision-ground, rectangular bar made from high-quality tool, alloy, stainless, or carbon steels, engineered to tight tolerances for flatness, dimension, and surface finish. It’s ideal for applications in tool & die, machining, gauges, or precision parts where consistent thickness and smooth surfaces are essential. OnlineMetals offers a range of grades—such as A2, D2, O1, 4140, and various stainless alloys—cut to size to avoid excess material waste. The stock is surface ground on all four faces, eliminating defects and decarburization, and arrives ready for further machining or finishing. With quick processing and inventory across multiple grades and sizes, it provides an efficient, reliable source for professionals and hobbyists needing precision material.

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7/8" x 1" Tool Steel Rectangle Bar O1 Precision Ground Part # 12332

7/8" x 1" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12332
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
$171.45 for 1
$171.45 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 1"
Click for more details
tool-steel-rectangle-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): SAE-J-437 , ASTM-A681

Key Features

MTR FREE MTR Available
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tool-steel-rectangle-bar-o1-1superZoom-desk12332

7/8" x 4" Tool Steel Rectangle Bar A2 Precision Ground Part # 12330

7/8" x 4" Tool Steel Rectangle Bar A2 Precision Ground -
Part #: 12330
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
$485.23 for 1
$485.23 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 4"
Click for more details
tool-steel-rectangle-bar-a2-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
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tool-steel-rectangle-bar-a2-1superZoom-desk12330

7/8" x 1 1/4" Tool Steel Rectangle Bar O1 Precision Ground Part # 12333

7/8" x 1 1/4" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12333
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
$191.75 for 1
$191.75 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 1.25"
Click for more details
tool-steel-rectangle-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): SAE-J-437 , ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-o1-1superZoom-desk12333

7/8" x 1 1/2" Tool Steel Rectangle Bar O1 Precision Ground Part # 12334

7/8" x 1 1/2" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12334
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
$213.33 for 1
$213.33 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 1.5"
Click for more details
tool-steel-rectangle-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): SAE-J-437 , ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-o1-1superZoom-desk12334

7/8" x 2" Tool Steel Rectangle Bar O1 Precision Ground Part # 12335

7/8" x 2" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12335
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
$256.30 for 1
$256.30 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 2"
Click for more details
tool-steel-rectangle-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): SAE-J-437 , ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-o1-1superZoom-desk12335

7/8" x 3" Tool Steel Rectangle Bar O1 Precision Ground Part # 12336

7/8" x 3" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12336
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
$342.67 for 1
$342.67 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 3"
Click for more details
tool-steel-rectangle-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): SAE-J-437 , ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-o1-1superZoom-desk12336

7/8" x 4" Tool Steel Rectangle Bar O1 Precision Ground Part # 12337

7/8" x 4" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12337
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
$429.03 for 1
$429.03 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 4"
Click for more details
tool-steel-rectangle-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): SAE-J-437 , ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-o1-1superZoom-desk12337

7/8" x 6" Tool Steel Rectangle Bar O1 Precision Ground Part # 12338

7/8" x 6" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12338
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
$603.73 for 1
$603.73 ea.

Dimensions

  • Thickness: 0.875"
  • Width: 6"
Click for more details
tool-steel-rectangle-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): SAE-J-437 , ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-o1-1superZoom-desk12338

7/8" Tool Steel Square Bar A2 Ground Oversize Part # 12444

7/8" Tool Steel Square Bar A2 Ground Oversize -
Part #: 12444
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
$318.89 for 1
$318.89 ea.

Dimensions

  • Height: 0.875"
Click for more details
tool-steel-square-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-oversize-1superZoom-desk12444

7/8" Carbon Steel Square Bar 1018 Precision Ground Part # 12480

7/8" Carbon Steel Square Bar 1018 Precision Ground -
Part #: 12480
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
$121.28 for 1
$121.28 ea.

Dimensions

  • Height: 0.875"
Click for more details
tool-steel-square-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-1018-1superZoom-desk12480

7/8" Tool Steel Square Bar A2 Precision Ground Part # 12481

7/8" Tool Steel Square Bar A2 Precision Ground -
Part #: 12481
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
$306.62 for 1
$306.62 ea.

Dimensions

  • Height: 0.875"
Click for more details
tool-steel-square-bar-a2-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-a2-1superZoom-desk12481

7/8" Tool Steel Square Bar O1 Precision Ground Part # 12482

7/8" Tool Steel Square Bar O1 Precision Ground -
Part #: 12482
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
$265.58 for 1
$265.58 ea.

Dimensions

  • Height: 0.875"
Click for more details
tool-steel-square-bar-o1-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-square-bar-o1-1superZoom-desk12482

1" x 1 1/4" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11582

1" x 1 1/4" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11582
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
$246.38 for 1
$246.38 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.25"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11582

1" x 1 1/2" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11583

1" x 1 1/2" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11583
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
$274.52 for 1
$274.52 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.5"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11583

1" x 1 3/4" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11584

1" x 1 3/4" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11584
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
$298.92 for 1
$298.92 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.75"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11584

1" x 2" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11585

1" x 2" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11585
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
$331.28 for 1
$331.28 ea.

Dimensions

  • Thickness: 1"
  • Width: 2"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11585

1" x 2 1/2" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11586

1" x 2 1/2" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11586
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
$387.90 for 1
$387.90 ea.

Dimensions

  • Thickness: 1"
  • Width: 2.5"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11586

1" x 3" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11587

1" x 3" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11587
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
$444.53 for 1
$444.53 ea.

Dimensions

  • Thickness: 1"
  • Width: 3"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11587

1" x 3 1/2" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11588

1" x 3 1/2" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11588
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
$491.10 for 1
$491.10 ea.

Dimensions

  • Thickness: 1"
  • Width: 3.5"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11588

1" x 4" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11589

1" x 4" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11589
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
$557.88 for 1
$557.88 ea.

Dimensions

  • Thickness: 1"
  • Width: 4"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11589

1" x 4 1/2" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11590

1" x 4 1/2" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11590
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
$603.23 for 1
$603.23 ea.

Dimensions

  • Thickness: 1"
  • Width: 4.5"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11590

1" x 5" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11591

1" x 5" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11591
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
$673.58 for 1
$673.58 ea.

Dimensions

  • Thickness: 1"
  • Width: 5"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11591

1" x 6" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11592

1" x 6" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11592
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
$786.78 for 1
$786.78 ea.

Dimensions

  • Thickness: 1"
  • Width: 6"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11592

1" x 8" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11593

1" x 8" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11593
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
$1,118.85 for 1
$1,118.85 ea.

Dimensions

  • Thickness: 1"
  • Width: 8"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11593

1" x 12" Tool Steel Rectangle Bar A2 Ground Oversize Part # 11594

1" x 12" Tool Steel Rectangle Bar A2 Ground Oversize -
Part #: 11594
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
$2,129.03 for 1
$2,129.03 ea.

Dimensions

  • Thickness: 1"
  • Width: 12"
Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681 , SAE-J-437

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-a2-oversize-1superZoom-desk11594

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