Shop all Products
Prototype without pressure, shop Online Metals protoboxes

Open for Orders 24/7!

Deals
Get a Quick Quote

Rectangle Flat Bar

Show full description
rectangle-bar-large-new-min-4superZoom-main

Rectangle Flat Bar

Known for its utility, rectangle bar stocks are used in a wide range of applications from naval brass to tooling. We carry Rectangle Bar stock in Alloy Steel, Aluminum, Brass, Bronze, Carbon Fiber, Carbon Steel, Cast Iron, Copper, Stainless Steel, and Tool Steel. Most metal flat bar stock or metal bar stock is available in full size and custom cut solid rectangle bar sizes.

Sort by

4126 results

Close

Filter your results

Clear Search

More filters

Production Method

Secondary Shape

Surface

Color

Unit of Measure

Domestic

DFARS

seller

Type

Can't find what you need?

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


10mm x 20mm Carbon Steel Rectangle Bar 1045 36" Length [+/- 2"] Part # 27028

10mm x 20mm Carbon Steel Rectangle Bar 1045 36" Length [+/- 2"] -
Part #: 27028

Pack of 3

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
$165.17
$165.17 ea.

Dimensions

  • Thickness: 10mm
  • Width: 20mm
Click for more details
mild-steel-key-stock-rectangle-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom-desk27028

3/4" x 1 1/4" Tool Steel Rectangle Bar O1 Precision Ground Part # 12295

3/4" x 1 1/4" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12295
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
$165.30 for 1
$165.30 ea.

Dimensions

  • Thickness: 0.75"
  • Width: 1.25"
Click for more details
tool-steel-rectangle-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-rectangle-bar-o1-1superZoom-desk12295

1" X 4" Tool Steel Rectangle Bar S7 Part # mp-00003068

1" X 4" Tool Steel Rectangle Bar S7 -
Part #: mp-00003068
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
$165.45 for 1
$165.45 ea.

Dimensions

  • Thickness: 1"
  • Width: 4"
Click for more details
1" X 4" Tool Steel Rectangle Bar S7-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
View more product details View more product details
View more product details Click for more details
1" X 4" Tool Steel Rectangle Bar S7-deskmp-00003068

1/2" x 2 1/2" Copper Rectangle Bar 110-H02 Part # 4310

1/2" x 2 1/2" Copper Rectangle Bar 110-H02 -
Part #: 4310
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
$165.80 for 1
$165.80 ea.

Dimensions

  • Thickness: 0.5"
  • Width: 2.5"
Click for more details
copper-rectangle-bar-110-h02-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B187

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-rectangle-bar-110-h02-1superZoom-desk4310

5/32" x 4" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground Part # mp-00028586

5/32" x 4" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground -
Part #: mp-00028586
Sold & Shipped by Jantz Supply
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
$165.83 for 1
$165.83 ea.

Dimensions

  • Thickness: 5/32
  • Width: 4"
Click for more details
5/32" x 4" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
5/32" x 4" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground-deskmp-00028586

5/16" x 1/2" Stainless Rectangle Bar 410 Precision Ground Part # 18638

5/16" x 1/2" Stainless Rectangle Bar 410 Precision Ground -
Part #: 18638
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
$165.94 for 1
$165.94 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 0.5"
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-desk18638

5/8" x 2" Copper Rectangle Bar 110-H02 Part # 4317

5/8" x 2" Copper Rectangle Bar 110-H02 -
Part #: 4317
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
$165.96 for 1
$165.96 ea.

Dimensions

  • Thickness: 0.625"
  • Width: 2"
Click for more details
copper-rectangle-bar-110-h02-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B187

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-rectangle-bar-110-h02-1superZoom-desk4317

3/8" x 4" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12102

3/8" x 4" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12102
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
$165.99 for 1
$165.99 ea.

Dimensions

  • Thickness: 0.375"
  • 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-desk12102

1" x 4" Aluminum Rectangle Bar 7075-T651-Cold Finish Part # 13337

1" x 4" Aluminum Rectangle Bar 7075-T651-Cold Finish -
Part #: 13337
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
$166.26 for 1
$166.26 ea.

Dimensions

  • Thickness: 1"
  • Width: 4"
Click for more details
aluminum-rectangle-bar-7075-t651-cold-finish-bare-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B211 , AMS-QQ-A-225/9 , AMS-4123

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
aluminum-rectangle-bar-7075-t651-cold-finish-bare-1superZoom-desk13337

3/4" x 1" Tool Steel Rectangle Bar A2 Precision Ground Part # 12284

3/4" x 1" Tool Steel Rectangle Bar A2 Precision Ground -
Part #: 12284
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
$166.40 for 1
$166.40 ea.

Dimensions

  • Thickness: 0.75"
  • Width: 1"
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-desk12284

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

3/8" x 3" Copper Full Round Edge 110-H02 Part # 26180

3/8" x 3" Copper Full Round Edge 110-H02 -
Part #: 26180
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
$166.86 for 1
$166.86 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 3"
Click for more details
copper-full-round-edgesuperZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-full-round-edgesuperZoom-desk26180

1/4" x 6" Brass Rectangle Bar 360-H02 Extruded Part # 20203

1/4" x 6" Brass Rectangle Bar 360-H02 Extruded -
Part #: 20203
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
$166.92 for 1
$166.92 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 6"
Click for more details
brass-rectangle-bar-360-h02-extruded-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B16

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
brass-rectangle-bar-360-h02-extruded-1superZoom-desk20203

5/16" x 3 1/2" Tool Steel Rectangle Bar O1 Ground Oversize Part # 11380

5/16" x 3 1/2" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11380
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
$167.63 for 1
$167.63 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 3.5"
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-desk11380

3/32" x 6" Tool Steel Rectangle Bar O1 Precision Ground Part # 11746

3/32" x 6" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 11746
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
$167.67 for 1
$167.67 ea.

Dimensions

  • Thickness: 0.0938"
  • Width: 6"
Click for more details
tool-steel-rectangle-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-rectangle-bar-o1-1superZoom-desk11746

1/2" x 1 3/4" Tool Steel Rectangle Bar A2 Precision Ground Part # 12187

1/2" x 1 3/4" Tool Steel Rectangle Bar A2 Precision Ground -
Part #: 12187
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
$167.67 for 1
$167.67 ea.

Dimensions

  • Thickness: 0.5"
  • 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-desk12187

3/4" x 5" Stainless Rectangle Bar 303-Annealed Cold Drawn -  Part # 29649

3/4" x 5" Stainless Rectangle Bar 303-Annealed Cold Drawn-
Part #: 29649
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5/64" x 6" Tool Steel Rectangle Bar O1 Precision Ground Part # 11697

5/64" x 6" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 11697
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
$167.73 for 1
$167.73 ea.

Dimensions

  • Thickness: 0.0781"
  • Width: 6"
Click for more details
tool-steel-rectangle-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-rectangle-bar-o1-1superZoom-desk11697

5/8" x 4" Brass Rectangle Bar 360-H02 Extruded Part # 15670

5/8" x 4" Brass Rectangle Bar 360-H02 Extruded -
Part #: 15670
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
$167.95 for 1
$167.95 ea.

Dimensions

  • Thickness: 0.625"
  • Width: 4"
Click for more details
brass-rectangle-bar-360-h02-extruded-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B16

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
brass-rectangle-bar-360-h02-extruded-1superZoom-desk15670

1/4" x 5" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 11966

1/4" x 5" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 11966
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
$168.22 for 1
$168.22 ea.

Dimensions

  • Thickness: 0.25"
  • 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-desk11966

3" x 4" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00038694

3" x 4" Carbon Steel Rectangle Bar A36 Hot Rolled -
Part #: mp-00038694
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
$168.23 for 1
$168.23 ea.

Dimensions

  • Thickness: 3"
  • Width: 4"
Click for more details
mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-deskmp-00038694

3/4" x 6" Stainless Rectangle Bar 304/304L Part # 4450

3/4" x 6" Stainless Rectangle Bar 304/304L -
Part #: 4450
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
$168.41 for 1
$168.41 ea.

Dimensions

  • Thickness: 0.75"
  • Width: 6"
Click for more details
stainless-rectangle-bar-304-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-QQ-S-763 , AMS-5639 , AMS-5647 , ASTM-A276 , ASTM-A479 , ASTM-F899 , ASTM-A240(call for availability)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom-desk4450

1/2" x 3" Aluminum Bronze Rectangle Bar 954 Cast Oversized Part # 14312

1/2" x 3" Aluminum Bronze Rectangle Bar 954 Cast Oversized -
Part #: 14312
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
$168.55 for 1
$168.55 ea.

Dimensions

  • Thickness: 0.5"
  • Width: 3"
Click for more details
bronze-rectangle-bar-954-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B505

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
bronze-rectangle-bar-954-1superZoom-desk14312

3/4" x 1 1/4" Tool Steel Rectangle Bar O1 Ground Oversize Part # 11559

3/4" x 1 1/4" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11559
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
$168.60 for 1
$168.60 ea.

Dimensions

  • Thickness: 0.75"
  • Width: 1.25"
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-desk11559

1/4" x 3 1/2" Tool Steel Rectangle Bar A2 Precision Ground Part # 11983

1/4" x 3 1/2" Tool Steel Rectangle Bar A2 Precision Ground -
Part #: 11983
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
$168.68 for 1
$168.68 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 3.5"
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-desk11983

Displaying 2301 - 2325 of 4126 results

Results per page

Can't find what you're looking for?

Contact us for a custom quote