Shop all Products
Prototype without pressure, shop Online Metals protoboxes

Open for Orders 24/7!

Deals
Get a Quick Quote

Ground Flat Stock

Show full description

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.

Sort by

1665 results

Close

More filters

Height

Thickness

Width

Material

Production Method

seller

Alloy/Type

Shape

Can't find what you need?

Contact our experienced US-based customer service team for hard-to-source materials.


1" x 2" Tool Steel Rectangle Bar O1 Ground Oversize Part # 11605

1" x 2" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11605
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
$278.92 for 1
$278.92 ea.

Dimensions

  • Thickness: 1"
  • Width: 2"
Click for more details
tool-steel-rectangle-bar-o1-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-o1-oversize-1superZoom-desk11605

1" x 2 1/2" Tool Steel Rectangle Bar O1 Ground Oversize Part # 11606

1" x 2 1/2" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11606
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
$325.23 for 1
$325.23 ea.

Dimensions

  • Thickness: 1"
  • Width: 2.5"
Click for more details
tool-steel-rectangle-bar-o1-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-o1-oversize-1superZoom-desk11606

1" x 3" Tool Steel Rectangle Bar O1 Ground Oversize Part # 11607

1" x 3" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11607
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
$371.20 for 1
$371.20 ea.

Dimensions

  • Thickness: 1"
  • Width: 3"
Click for more details
tool-steel-rectangle-bar-o1-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-o1-oversize-1superZoom-desk11607

1" x 4" Tool Steel Rectangle Bar O1 Ground Oversize Part # 11608

1" x 4" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11608
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
$463.53 for 1
$463.53 ea.

Dimensions

  • Thickness: 1"
  • Width: 4"
Click for more details
tool-steel-rectangle-bar-o1-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-o1-oversize-1superZoom-desk11608

1" x 6" Tool Steel Rectangle Bar O1 Ground Oversize Part # 11609

1" x 6" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11609
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
$650.40 for 1
$650.40 ea.

Dimensions

  • Thickness: 1"
  • Width: 6"
Click for more details
tool-steel-rectangle-bar-o1-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-o1-oversize-1superZoom-desk11609

1" x 1 1/4" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12339

1" x 1 1/4" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12339
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
$153.15 for 1
$153.15 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.25"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12339

1" x 1 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12340

1" x 1 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12340
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
$166.60 for 1
$166.60 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.5"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12340

1" x 2" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12341

1" x 2" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12341
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
$192.91 for 1
$192.91 ea.

Dimensions

  • Thickness: 1"
  • Width: 2"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12341

1" x 3 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12344

1" x 3 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12344
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
$268.62 for 1
$268.62 ea.

Dimensions

  • Thickness: 1"
  • Width: 3.5"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12344

1" x 4" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12345

1" x 4" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12345
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
$289.27 for 1
$289.27 ea.

Dimensions

  • Thickness: 1"
  • Width: 4"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12345

1" x 5" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12346

1" x 5" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12346
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
$348.59 for 1
$348.59 ea.

Dimensions

  • Thickness: 1"
  • Width: 5"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12346

1" x 3" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12343

1" x 3" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12343
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
$241.25 for 1
$241.25 ea.

Dimensions

  • Thickness: 1"
  • Width: 3"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12343

1" x 7" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12348

1" x 7" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12348
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
$438.04 for 1
$438.04 ea.

Dimensions

  • Thickness: 1"
  • Width: 7"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12348

1" x 8" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12349

1" x 8" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12349
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
$491.98 for 1
$491.98 ea.

Dimensions

  • Thickness: 1"
  • Width: 8"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12349

1" x 6" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12347

1" x 6" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12347
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
$382.71 for 1
$382.71 ea.

Dimensions

  • Thickness: 1"
  • Width: 6"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12347

1" x 10" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12351

1" x 10" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12351
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
$593.34 for 1
$593.34 ea.

Dimensions

  • Thickness: 1"
  • Width: 10"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12351

1" x 12" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12352

1" x 12" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12352
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
$666.77 for 1
$666.77 ea.

Dimensions

  • Thickness: 1"
  • Width: 12"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12352

1" x 9" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12350

1" x 9" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12350
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
$550.17 for 1
$550.17 ea.

Dimensions

  • Thickness: 1"
  • Width: 9"
Click for more details
tool-steel-rectangle-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-rectangle-bar-1018-1superZoom-desk12350

1" x 1 1/4" Tool Steel Rectangle Bar A2 Precision Ground Part # 12353

1" x 1 1/4" Tool Steel Rectangle Bar A2 Precision Ground -
Part #: 12353
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
$236.90 for 1
$236.90 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.25"
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
View more product details Click for more details
tool-steel-rectangle-bar-a2-1superZoom-desk12353

1" x 1 3/4" Tool Steel Rectangle Bar A2 Precision Ground Part # 12355

1" x 1 3/4" Tool Steel Rectangle Bar A2 Precision Ground -
Part #: 12355
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
$287.45 for 1
$287.45 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.75"
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
View more product details Click for more details
tool-steel-rectangle-bar-a2-1superZoom-desk12355

1" x 2" Tool Steel Rectangle Bar A2 Precision Ground Part # 12356

1" x 2" Tool Steel Rectangle Bar A2 Precision Ground -
Part #: 12356
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
$318.50 for 1
$318.50 ea.

Dimensions

  • Thickness: 1"
  • Width: 2"
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
View more product details Click for more details
tool-steel-rectangle-bar-a2-1superZoom-desk12356

1" x 1 1/2" Stainless Rectangle Bar 410 Precision Ground Part # 18531

1" x 1 1/2" Stainless Rectangle Bar 410 Precision Ground -
Part #: 18531
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
$503.50 for 1
$503.50 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.5"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-rectangle-bar-410-1superZoom-desk18531

1" x 1 1/4" Stainless Rectangle Bar 410 Precision Ground Part # 18668

1" x 1 1/4" Stainless Rectangle Bar 410 Precision Ground -
Part #: 18668
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
$486.99 for 1
$486.99 ea.

Dimensions

  • Thickness: 1"
  • Width: 1.25"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-rectangle-bar-410-1superZoom-desk18668

1" x 2" Stainless Rectangle Bar 410 Precision Ground Part # 18689

1" x 2" Stainless Rectangle Bar 410 Precision Ground -
Part #: 18689
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
$565.31 for 1
$565.31 ea.

Dimensions

  • Thickness: 1"
  • Width: 2"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-rectangle-bar-410-1superZoom-desk18689

1" x 2 1/2" Stainless Rectangle Bar 410 Precision Ground Part # 18704

1" x 2 1/2" Stainless Rectangle Bar 410 Precision Ground -
Part #: 18704
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
$634.72 for 1
$634.72 ea.

Dimensions

  • Thickness: 1"
  • Width: 2.5"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-rectangle-bar-410-1superZoom-desk18704

Displaying 1426 - 1450 of 1665 results

Results per page

Can't find what you're looking for?

Contact us for a custom quote