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Rectangle Flat Bar

-4550 Products

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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3/8" x 1 1/2" Aluminum Rectangle Bar 6061-T6511 144" Length - 130pc. Min - 
Part #: 28582

3/8" x 1 1/2" Aluminum Rectangle Bar 6061-T6511 144" Length - 130pc. Min-
Part #: 28582

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 1.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 10" Aluminum Rectangle Bar 6061-T6511 144" Length - 20pc. Min - 
Part #: 28590

3/8" x 10" Aluminum Rectangle Bar 6061-T6511 144" Length - 20pc. Min-
Part #: 28590

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 10"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 4" Aluminum Rectangle Bar 6061-T6511 144" Length - 48pc. Min - 
Part #: 28586

3/8" x 4" Aluminum Rectangle Bar 6061-T6511 144" Length - 48pc. Min-
Part #: 28586

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Dimensions

  • Thickness: 0.375"
  • Width: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 2 1/2" Aluminum Rectangle Bar 6061-T6511 144" Length - 77pc. Min - 
Part #: 28584

3/8" x 2 1/2" Aluminum Rectangle Bar 6061-T6511 144" Length - 77pc. Min-
Part #: 28584

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 2.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 5" Aluminum Rectangle Bar 6061-T6511 144" Length - 39pc. Min - 
Part #: 28587

3/8" x 5" Aluminum Rectangle Bar 6061-T6511 144" Length - 39pc. Min-
Part #: 28587

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Dimensions

  • Thickness: 0.375"
  • Width: 5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 3" Aluminum Rectangle Bar 6061-T6511 144" Length - 65pc. Min - 
Part #: 28585

3/8" x 3" Aluminum Rectangle Bar 6061-T6511 144" Length - 65pc. Min-
Part #: 28585

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Dimensions

  • Thickness: 0.375"
  • Width: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 6" Aluminum Rectangle Bar 6061-T6511 144" Length - 33pc. Min - 
Part #: 28588

3/8" x 6" Aluminum Rectangle Bar 6061-T6511 144" Length - 33pc. Min-
Part #: 28588

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Dimensions

  • Thickness: 0.375"
  • Width: 6"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 8" Aluminum Rectangle Bar 6061-T6511 144" Length - 24pc. Min - 
Part #: 28589

3/8" x 8" Aluminum Rectangle Bar 6061-T6511 144" Length - 24pc. Min-
Part #: 28589

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Dimensions

  • Thickness: 0.375"
  • Width: 8"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 12" Aluminum Rectangle Bar 6061-T6511 144" Length - 16pc. Min - 
Part #: 28591

3/8" x 12" Aluminum Rectangle Bar 6061-T6511 144" Length - 16pc. Min-
Part #: 28591

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Dimensions

  • Thickness: 0.375"
  • Width: 12"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 4" Aluminum Rectangle Bar 6063-T52-Extruded - 
Part #: 28771

3/8" x 4" Aluminum Rectangle Bar 6063-T52-Extruded-
Part #: 28771

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Dimensions

  • Thickness: 0.375"
  • Width: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 3 1/2" Brass Rectangle Bar 360-H02 Extruded - 
Part #: 27840

3/8" x 3 1/2" Brass Rectangle Bar 360-H02 Extruded -
Part #: 27840

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brass-rectangle-bar-360-h02-extruded-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $158.53 ea.
  • 24″ (2 ft.) - $308.44 ea.
  • 36″ (3 ft.) - $420.99 ea.
  • 48″ (4 ft.) - $524.92 ea.
  • 72″ (6 ft.) - $741.44 ea.
  • 96″ (8 ft.) - $923.44 ea.
  • 144″ (12 ft.) - $1,149.49 ea.
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.
Create Custom Cut

QTY

$158.53 ea.
$158.53 for 1

0.375" x 0.5" Chromium Copper 182 Rectangle Bar Extruded - 
Part #: mp-00038056

0.375" x 0.5" Chromium Copper 182 Rectangle Bar Extruded -
Part #: mp-00038056

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 0.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 24″ (2 ft.) - $35.00 ea.
  • 48″ (4 ft.) - $63.76 ea.
  • 96″ (8 ft.) - $127.51 ea.
  • 144″ (12 ft.) - $191.27 ea.
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.
Create Custom Cut

QTY

$35.00 ea.
$35.00 for 1
quantity discountBuy More & Save up to 10% !
Qty
Price ea.
Savings
2-4
$33.95
3%
5-9
$33.25
5%
10+
$31.50
10%
More
Less

0.375" x 2" Chromium Copper 182 Rectangle Bar Extruded - 
Part #: mp-00038076

0.375" x 2" Chromium Copper 182 Rectangle Bar Extruded -
Part #: mp-00038076

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 24″ (2 ft.) - $127.51 ea.
  • 48″ (4 ft.) - $255.02 ea.
  • 96″ (8 ft.) - $510.05 ea.
  • 144″ (12 ft.) - $765.07 ea.
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.
Create Custom Cut

QTY

$127.51 ea.
$127.51 for 1
quantity discountBuy More & Save up to 9% !
Qty
Price ea.
Savings
2-4
$123.68
3%
5-9
$121.13
5%
10+
$114.76
9%
More
Less

0.375" x 1" Chromium Copper 182 Rectangle Bar Extruded - 
Part #: mp-00038110

0.375" x 1" Chromium Copper 182 Rectangle Bar Extruded -
Part #: mp-00038110

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 1"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 24″ (2 ft.) - $63.76 ea.
  • 48″ (4 ft.) - $127.51 ea.
  • 96″ (8 ft.) - $255.02 ea.
  • 144″ (12 ft.) - $382.54 ea.
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.
Create Custom Cut

QTY

$63.76 ea.
$63.76 for 1
quantity discountBuy More & Save up to 10% !
Qty
Price ea.
Savings
2-4
$61.85
2%
5-9
$60.57
5%
10+
$57.38
10%
More
Less

0.375" x 0.75" Chromium Copper 182 Rectangle Bar Extruded - 
Part #: mp-00038161

0.375" x 0.75" Chromium Copper 182 Rectangle Bar Extruded -
Part #: mp-00038161

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 0.75"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 24″ (2 ft.) - $47.82 ea.
  • 48″ (4 ft.) - $95.63 ea.
  • 96″ (8 ft.) - $191.27 ea.
  • 144″ (12 ft.) - $286.90 ea.
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.
Create Custom Cut

QTY

$47.82 ea.
$47.82 for 1
quantity discountBuy More & Save up to 9% !
Qty
Price ea.
Savings
2-4
$46.39
2%
5-9
$45.43
4%
10+
$43.04
9%
More
Less

0.375" x 1" Chrome Zirconium Copper Rectangle Bar 18150 - 
Part #: mp-00041092

0.375" x 1" Chrome Zirconium Copper Rectangle Bar 18150 -
Part #: mp-00041092

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 1"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $35.00 ea.
  • 24″ (2 ft.) - $63.76 ea.
  • 36″ (3 ft.) - $95.63 ea.
  • 48″ (4 ft.) - $127.51 ea.
  • 60″ (5 ft.) - $159.39 ea.
  • 72″ (6 ft.) - $191.27 ea.
  • 84″ (7 ft.) - $223.15 ea.
  • 96″ (8 ft.) - $255.02 ea.
  • 108″ (9 ft.) - $286.90 ea.
  • 120″ (10 ft.) - $318.78 ea.
  • 132″ (11 ft.) - $350.66 ea.
  • 144″ (12 ft.) - $382.54 ea.
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.
Create Custom Cut

QTY

$35.00 ea.
$35.00 for 1

0.375" x 1.5" Chrome Zirconium Copper Rectangle Bar 18150 - 
Part #: mp-00041094

0.375" x 1.5" Chrome Zirconium Copper Rectangle Bar 18150 -
Part #: mp-00041094

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $47.82 ea.
  • 24″ (2 ft.) - $95.63 ea.
  • 36″ (3 ft.) - $143.45 ea.
  • 48″ (4 ft.) - $191.27 ea.
  • 60″ (5 ft.) - $239.08 ea.
  • 72″ (6 ft.) - $286.90 ea.
  • 84″ (7 ft.) - $334.72 ea.
  • 96″ (8 ft.) - $382.54 ea.
  • 108″ (9 ft.) - $430.35 ea.
  • 120″ (10 ft.) - $478.17 ea.
  • 132″ (11 ft.) - $525.99 ea.
  • 144″ (12 ft.) - $573.80 ea.
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.
Create Custom Cut

QTY

$47.82 ea.
$47.82 for 1

0.375" x 2" Chrome Zirconium Copper Rectangle Bar 18150 - 
Part #: mp-00041106

0.375" x 2" Chrome Zirconium Copper Rectangle Bar 18150 -
Part #: mp-00041106

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $63.76 ea.
  • 24″ (2 ft.) - $127.51 ea.
  • 36″ (3 ft.) - $191.27 ea.
  • 48″ (4 ft.) - $255.02 ea.
  • 60″ (5 ft.) - $318.78 ea.
  • 72″ (6 ft.) - $382.54 ea.
  • 84″ (7 ft.) - $446.29 ea.
  • 96″ (8 ft.) - $510.05 ea.
  • 108″ (9 ft.) - $573.80 ea.
  • 120″ (10 ft.) - $637.56 ea.
  • 132″ (11 ft.) - $701.32 ea.
  • 144″ (12 ft.) - $765.07 ea.
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.
Create Custom Cut

QTY

$63.76 ea.
$63.76 for 1

0.375" x 3" Chrome Zirconium Copper Rectangle Bar 18150 - 
Part #: mp-00041125

0.375" x 3" Chrome Zirconium Copper Rectangle Bar 18150 -
Part #: mp-00041125

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $95.63 ea.
  • 24″ (2 ft.) - $191.27 ea.
  • 36″ (3 ft.) - $286.90 ea.
  • 48″ (4 ft.) - $382.54 ea.
  • 60″ (5 ft.) - $478.17 ea.
  • 72″ (6 ft.) - $573.80 ea.
  • 84″ (7 ft.) - $669.44 ea.
  • 96″ (8 ft.) - $765.07 ea.
  • 108″ (9 ft.) - $860.71 ea.
  • 120″ (10 ft.) - $956.34 ea.
  • 132″ (11 ft.) - $1,051.97 ea.
  • 144″ (12 ft.) - $1,147.61 ea.
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.
Create Custom Cut

QTY

$95.63 ea.
$95.63 for 1

0.375" x 0.75" Chrome Zirconium Copper Rectangle Bar 18150 - 
Part #: mp-00041122

0.375" x 0.75" Chrome Zirconium Copper Rectangle Bar 18150 -
Part #: mp-00041122

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Thickness: 0.375"
  • Width: 0.75"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $35.00 ea.
  • 24″ (2 ft.) - $47.82 ea.
  • 36″ (3 ft.) - $71.73 ea.
  • 48″ (4 ft.) - $95.63 ea.
  • 60″ (5 ft.) - $119.54 ea.
  • 72″ (6 ft.) - $143.45 ea.
  • 84″ (7 ft.) - $167.36 ea.
  • 96″ (8 ft.) - $191.27 ea.
  • 108″ (9 ft.) - $215.18 ea.
  • 120″ (10 ft.) - $239.08 ea.
  • 132″ (11 ft.) - $262.99 ea.
  • 144″ (12 ft.) - $286.90 ea.
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.
Create Custom Cut

QTY

$35.00 ea.
$35.00 for 1

13/32" x 13/16" High Speed Tool Steel Rectangle Bar M2 - 
Part #: 28785

13/32" x 13/16" High Speed Tool Steel Rectangle Bar M2-
Part #: 28785

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 0.406"
  • Width: 0.812"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

7/16" x 1/2" Tool Steel Rectangle Bar O1 Precision Ground - 
Part #: 12156

7/16" x 1/2" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12156

Click for more details

tool-steel-rectangle-bar-o1-1superZoom

Dimensions

  • Thickness: 0.4375"
  • Width: 0.5"
See all available dimensions for this product
  • 18″ (18 in.) - $65.48 ea.
  • 36″ (3 ft.) - $108.14 ea.
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

$65.48 ea.
$65.48 for 1

7/16" x 1" Tool Steel Rectangle Bar O1 Precision Ground - 
Part #: 12158

7/16" x 1" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12158

Click for more details

tool-steel-rectangle-bar-o1-1superZoom

Dimensions

  • Thickness: 0.4375"
  • Width: 1"
See all available dimensions for this product
  • 18″ (18 in.) - $89.63 ea.
  • 36″ (3 ft.) - $148.15 ea.
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

$89.63 ea.
$89.63 for 1

7/16" x 1 1/4" Tool Steel Rectangle Bar O1 Precision Ground - 
Part #: 12159

7/16" x 1 1/4" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12159

Click for more details

tool-steel-rectangle-bar-o1-1superZoom

Dimensions

  • Thickness: 0.4375"
  • Width: 1.25"
See all available dimensions for this product
  • 18″ (18 in.) - $100.85 ea.
  • 36″ (3 ft.) - $166.66 ea.
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

$100.85 ea.
$100.85 for 1

7/16" x 1 1/2" Tool Steel Rectangle Bar O1 Precision Ground - 
Part #: 12160

7/16" x 1 1/2" Tool Steel Rectangle Bar O1 Precision Ground -
Part #: 12160

Click for more details

tool-steel-rectangle-bar-o1-1superZoom

Dimensions

  • Thickness: 0.4375"
  • Width: 1.5"
See all available dimensions for this product
  • 18″ (18 in.) - $112.93 ea.
  • 36″ (3 ft.) - $186.65 ea.
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

$112.93 ea.
$112.93 for 1

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