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Rectangle Flat Bar

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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.

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3 17/32" x 3 17/32" Cast Iron Milled Bar 65-45-12 Dura-Bar -  Part # 24191

3 17/32" x 3 17/32" Cast Iron Milled Bar 65-45-12 Dura-Bar-
Part #: 24191
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 3/4" x 4 1/4" Cast Iron Rectangle Bar 65-45-12 Dura-Bar -  Part # 24128

3 3/4" x 4 1/4" Cast Iron Rectangle Bar 65-45-12 Dura-Bar-
Part #: 24128
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 3/4" x 4 3/4" Cast Iron Rectangle Bar 65-45-12 Dura-Bar -  Part # 24129

3 3/4" x 4 3/4" Cast Iron Rectangle Bar 65-45-12 Dura-Bar-
Part #: 24129
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" x 4" Aluminum Bronze Rectangle Bar 954 Cast Oversized Part # 25257

4" x 4" Aluminum Bronze Rectangle Bar 954 Cast Oversized -
Part #: 25257
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
$1,065.42 for 1
$1,065.42 ea.

Dimensions

  • Thickness: 4"
  • Width: 4"
  • Ships In: 2-3 Business Days From Ohio
Click for more details
bronze-rectangle-bar-954-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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bronze-rectangle-bar-954-1superZoom-desk25257

4" x 15" Aluminum Bronze Rectangle Bar 954 Cast Oversized Part # 25258

4" x 15" Aluminum Bronze Rectangle Bar 954 Cast Oversized -
Part #: 25258
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
$4,063.79 for 1
$4,063.79 ea.

Dimensions

  • Thickness: 4"
  • Width: 15"
  • Ships In: 2-3 Business Days From Ohio
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
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bronze-rectangle-bar-954-1superZoom-desk25258

4" x 11" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized Part # 25198

4" x 11" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized -
Part #: 25198
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
$3,262.74 for 1
$3,262.74 ea.

Dimensions

  • Thickness: 4"
  • Width: 11"
  • Ships In: 2-3 Business Days From Ohio
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
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bronze-rectangle-bar-954-1superZoom-desk25198

4" x 4" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized Part # 25197

4" x 4" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized -
Part #: 25197
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
$1,206.84 for 1
$1,206.84 ea.

Dimensions

  • Thickness: 4"
  • Width: 4"
  • Ships In: 2-3 Business Days From Ohio
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
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bronze-rectangle-bar-954-1superZoom-desk25197

4" x 4 1/2" Aluminum Rectangle Bar 6061-T6511-Extruded Part # 25639

4" x 4 1/2" Aluminum Rectangle Bar 6061-T6511-Extruded -
Part #: 25639
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
$260.09 for 1
$260.09 ea.

Dimensions

  • Thickness: 4"
  • Width: 4.5"
Click for more details
aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-desk25639

4" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled -  Part # 25683

4" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled-
Part #: 25683
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" x 8" Aluminum Rectangle Bar 6061-T6511-Extruded Part # 21127

4" x 8" Aluminum Rectangle Bar 6061-T6511-Extruded -
Part #: 21127
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
$504.80 for 1
$504.80 ea.

Dimensions

  • Thickness: 4"
  • Width: 8"
Click for more details
aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-desk21127

4" x 5" Aluminum Rectangle Bar 6061-T6511-Extruded Part # 21596

4" x 5" Aluminum Rectangle Bar 6061-T6511-Extruded -
Part #: 21596
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
$280.13 for 1
$280.13 ea.

Dimensions

  • Thickness: 4"
  • Width: 5"
Click for more details
aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-QQ-A-200/8 , ASTM-B221

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-desk21596

4" x 6" Aluminum Rectangle Bar 6061-T6511-Extruded Part # 23517

4" x 6" Aluminum Rectangle Bar 6061-T6511-Extruded -
Part #: 23517
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
$331.12 for 1
$331.12 ea.

Dimensions

  • Thickness: 4"
  • Width: 6"
Click for more details
aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-rectangle-bar-6061-t6511-extruded-1superZoom-desk23517

1/4" x 4" Galvanized Steel Rectangle Bar ASTM A123 Part # mp-00002915

1/4" x 4" Galvanized Steel Rectangle Bar ASTM A123 -
Part #: mp-00002915
Sold & Shipped by Competitive 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
$20.70 for 1
$20.70 ea.

Dimensions

  • Width: 4"
  • Ships In: 1-2 Business Days
Click for more details
1/4" x 4" Galvanized Steel Rectangle Bar ASTM A123-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
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1/4" x 4" Galvanized Steel Rectangle Bar ASTM A123-deskmp-00002915

4" x 6" Aluminum Rectangle Bar 7075-T7351-Cold Finish -  Part # 28781

4" x 6" Aluminum Rectangle Bar 7075-T7351-Cold Finish-
Part #: 28781
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" x 4" Bronze Rectangle Bar 863 Continuous Cast Part # mp-00034463

4" x 4" Bronze Rectangle Bar 863 Continuous Cast -
Part #: mp-00034463
Sold & Shipped by Spectrum Machine Inc.
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
$660.00 for 1
$660.00 ea.

Dimensions

  • Thickness: 4"
  • Width: 4"
Click for more details
4" x 4" Bronze Rectangle Bar 863 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR AVAILABLE product return Returns Acceptable.
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4" x 4" Bronze Rectangle Bar 863 Continuous Cast-deskmp-00034463

4mm x 40mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22382

4mm x 40mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22382

Pack of 1

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
$94.63
$94.63 ea.

Dimensions

  • Thickness: 4mm
  • Width: 40mm
Click for more details
mild-steel-rectangle-bar-metric-1018-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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mild-steel-rectangle-bar-metric-1018-1superZoom-desk22382

4mm x 50mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22384

4mm x 50mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22384

Pack of 1

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
$116.88
$116.88 ea.

Dimensions

  • Thickness: 4mm
  • Width: 50mm
Click for more details
mild-steel-rectangle-bar-metric-1018-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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mild-steel-rectangle-bar-metric-1018-1superZoom-desk22384

4mm x 60mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22385

4mm x 60mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22385

Pack of 1

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
$139.75
$139.75 ea.

Dimensions

  • Thickness: 4mm
  • Width: 60mm
Click for more details
mild-steel-rectangle-bar-metric-1018-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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mild-steel-rectangle-bar-metric-1018-1superZoom-desk22385

4mm x 80mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22388

4mm x 80mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22388

Pack of 1

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
$157.70
$157.70 ea.

Dimensions

  • Thickness: 4mm
  • Width: 80mm
Click for more details
mild-steel-rectangle-bar-metric-1018-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
View more product details View more product details
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mild-steel-rectangle-bar-metric-1018-1superZoom-desk22388

4mm x 20mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] Part # 24398

4mm x 20mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] -
Part #: 24398

Pack of 1

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
$123.57
$123.57 ea.

Dimensions

  • Thickness: 4mm
  • Width: 20mm
Click for more details
stainless-rectangle-bar-304-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-304-1superZoom-desk24398

4mm x 25mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] Part # 24399

4mm x 25mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] -
Part #: 24399

Pack of 1

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
$123.68
$123.68 ea.

Dimensions

  • Thickness: 4mm
  • Width: 25mm
Click for more details
stainless-rectangle-bar-304-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-304-1superZoom-desk24399

4mm x 12mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] Part # 24397

4mm x 12mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] -
Part #: 24397

Pack of 1

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
$87.20
$87.20 ea.

Dimensions

  • Thickness: 4mm
  • Width: 12mm
Click for more details
stainless-rectangle-bar-304-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
View more product details View more product details
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stainless-rectangle-bar-304-1superZoom-desk24397

4mm x 6mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24459

4mm x 6mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24459

Pack of 10

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
$105.92
$105.92 ea.

Dimensions

  • Thickness: 4mm
  • Width: 6mm
Click for more details
mild-steel-key-stock-rectangle-1superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
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mild-steel-key-stock-rectangle-1superZoom-desk24459

4mm x 12mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24460

4mm x 12mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24460

Pack of 6

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
$154.36
$154.36 ea.

Dimensions

  • Thickness: 4mm
  • Width: 12mm
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
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mild-steel-key-stock-rectangle-1superZoom-desk24460

4mm x 25mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24462

4mm x 25mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24462

Pack of 4

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
$166.57
$166.57 ea.

Dimensions

  • Thickness: 4mm
  • Width: 25mm
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
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mild-steel-key-stock-rectangle-1superZoom-desk24462

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