Shop all Products
Shop Aerospace Materials
Deals
Get a Quick Quote!
rectangle-bar-large-new-min-4superZoom

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.

Sort by

Size
  • Size
  • Price:Low to High
  • Product Name: A to Z
  • Product Name: Z to A
  • Relevance
  • Price:High to Low

Close

Refine Your Results

Clear Search

Filters

Material

Alloy/Type

Production Method

Surface

Grade

Color

Domestic

Temper

DFARS

seller

Shape

Can't find what you need?

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


3/8" x 5" Tool Steel Rectangle Bar O1 Ground Oversize - 
Part #: 11435

3/8" x 5" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11435

Click for more details

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

Dimensions

  • Thickness: 0.375"
  • Width: 5"
See all available dimensions for this product
  • 18″ (18 in.) - $249.95 ea.
  • 36″ (3 ft.) - $413.33 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

$249.95 ea.
$249.95 for 1

3/8" x 6" Tool Steel Rectangle Bar O1 Ground Oversize - 
Part #: 11436

3/8" x 6" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11436

Click for more details

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

Dimensions

  • Thickness: 0.375"
  • Width: 6"
See all available dimensions for this product
  • 18″ (18 in.) - $293.20 ea.
  • 36″ (3 ft.) - $484.78 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

$293.20 ea.
$293.20 for 1

3/8" x 8" Tool Steel Rectangle Bar O1 Ground Oversize - 
Part #: 11437

3/8" x 8" Tool Steel Rectangle Bar O1 Ground Oversize -
Part #: 11437

Click for more details

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

Dimensions

  • Thickness: 0.375"
  • Width: 8"
See all available dimensions for this product
  • 18″ (18 in.) - $434.43 ea.
  • 36″ (3 ft.) - $718.27 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.

QTY

$434.43 ea.
$434.43 for 1

3/8" x 1/2" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11438

3/8" x 1/2" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11438

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 0.5"
See all available dimensions for this product
  • 18″ (18 in.) - $80.60 ea.
  • 36″ (3 ft.) - $138.14 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

$80.60 ea.
$80.60 for 1

3/8" x 3/4" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11439

3/8" x 3/4" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11439

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 0.75"
See all available dimensions for this product
  • 18″ (18 in.) - $95.63 ea.
  • 36″ (3 ft.) - $163.87 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

$95.63 ea.
$95.63 for 1

3/8" x 1" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11440

3/8" x 1" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11440

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 1"
See all available dimensions for this product
  • 18″ (18 in.) - $110.60 ea.
  • 36″ (3 ft.) - $189.60 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

$110.60 ea.
$110.60 for 1

3/8" x 1 1/4" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11441

3/8" x 1 1/4" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11441

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 1.25"
See all available dimensions for this product
  • 18″ (18 in.) - $123.43 ea.
  • 36″ (3 ft.) - $211.51 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

$123.43 ea.
$123.43 for 1

3/8" x 1 1/2" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11442

3/8" x 1 1/2" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11442

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 1.5"
See all available dimensions for this product
  • 18″ (18 in.) - $138.28 ea.
  • 36″ (3 ft.) - $237.00 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

$138.28 ea.
$138.28 for 1

3/8" x 1 3/4" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11443

3/8" x 1 3/4" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11443

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 1.75"
See all available dimensions for this product
  • 18″ (18 in.) - $154.67 ea.
  • 36″ (3 ft.) - $265.06 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

$154.67 ea.
$154.67 for 1

3/8" x 2" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11444

3/8" x 2" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11444

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 2"
See all available dimensions for this product
  • 18″ (18 in.) - $168.38 ea.
  • 36″ (3 ft.) - $288.62 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

$168.38 ea.
$168.38 for 1

3/8" x 2 1/2" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11445

3/8" x 2 1/2" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11445

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 2.5"
See all available dimensions for this product
  • 18″ (18 in.) - $198.17 ea.
  • 36″ (3 ft.) - $339.82 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

$198.17 ea.
$198.17 for 1

3/8" x 3" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11446

3/8" x 3" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11446

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 3"
See all available dimensions for this product
  • 18″ (18 in.) - $228.38 ea.
  • 36″ (3 ft.) - $391.54 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.

QTY

$228.38 ea.
$228.38 for 1

3/8" x 4" Tool Steel Rectangle Bar S7 Ground Oversize - 
Part #: 11447

3/8" x 4" Tool Steel Rectangle Bar S7 Ground Oversize -
Part #: 11447

Click for more details

tool-steel-rectangle-bar-s7-oversize-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 4"
See all available dimensions for this product
  • 18″ (18 in.) - $288.27 ea.
  • 36″ (3 ft.) - $494.11 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

$288.27 ea.
$288.27 for 1

3/8" x 12" Aluminum Bronze Rectangle Bar 954 Cast Oversized - 
Part #: 25233

3/8" x 12" Aluminum Bronze Rectangle Bar 954 Cast Oversized -
Part #: 25233

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 12"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $304.06 ea.
  • 24″ (2 ft.) - $624.10 ea.
  • 36″ (3 ft.) - $864.14 ea.
  • 48″ (4 ft.) - $1,120.18 ea.
  • 72″ (6 ft.) - $1,603.45 ea.
  • 144″ (12 ft.) - $3,034.07 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.

QTY

$304.06 ea.
$304.06 for 1

3/8" x 8" Aluminum Bronze Rectangle Bar 954 Cast Oversized - 
Part #: 25232

3/8" x 8" Aluminum Bronze Rectangle Bar 954 Cast Oversized -
Part #: 25232

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 8"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $208.24 ea.
  • 24″ (2 ft.) - $427.42 ea.
  • 36″ (3 ft.) - $591.82 ea.
  • 48″ (4 ft.) - $767.17 ea.
  • 72″ (6 ft.) - $1,098.14 ea.
  • 144″ (12 ft.) - $2,077.94 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

$208.24 ea.
$208.24 for 1

3/8" x 12" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized - 
Part #: 25104

3/8" x 12" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized -
Part #: 25104

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 12"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $249.43 ea.
  • 24″ (2 ft.) - $498.86 ea.
  • 36″ (3 ft.) - $916.42 ea.
  • 48″ (4 ft.) - $997.72 ea.
  • 72″ (6 ft.) - $1,700.46 ea.
  • 144″ (12 ft.) - $3,217.64 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

$249.43 ea.
$249.43 for 1

3/8" x 8" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized - 
Part #: 25103

3/8" x 8" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized -
Part #: 25103

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 8"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $172.67 ea.
  • 24″ (2 ft.) - $345.33 ea.
  • 36″ (3 ft.) - $634.00 ea.
  • 48″ (4 ft.) - $690.68 ea.
  • 72″ (6 ft.) - $1,176.41 ea.
  • 144″ (12 ft.) - $2,226.01 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

$172.67 ea.
$172.67 for 1

3/8" x 4" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized - 
Part #: 25102

3/8" x 4" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized -
Part #: 25102

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 4"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $83.97 ea.
  • 24″ (2 ft.) - $167.94 ea.
  • 36″ (3 ft.) - $308.21 ea.
  • 48″ (4 ft.) - $335.86 ea.
  • 72″ (6 ft.) - $571.92 ea.
  • 144″ (12 ft.) - $1,082.21 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

$83.97 ea.
$83.97 for 1

3/8" x 5/8" Carbon Steel Rectangle Bar 1018 Cold Finish - 
Part #: 7483

3/8" x 5/8" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7483

Click for more details

mild-steel-key-stock-rectangle-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 0.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $6.28 ea.
  • 24″ (2 ft.) - $12.22 ea.
  • 36″ (3 ft.) - $16.67 ea.
  • 48″ (4 ft.) - $20.82 ea.
  • 72″ (6 ft.) - $29.39 ea.
  • 96″ (8 ft.) - $36.59 ea.
  • 144″ (12 ft.) - $45.56 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

$6.28 ea.
$6.28 for 1

3/8" x 1 1/4" Carbon Steel Rectangle Bar 1018 Cold Finish - 
Part #: 7487

3/8" x 1 1/4" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7487

Click for more details

mild-steel-key-stock-rectangle-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 1.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $12.26 ea.
  • 24″ (2 ft.) - $23.87 ea.
  • 36″ (3 ft.) - $32.61 ea.
  • 48″ (4 ft.) - $40.65 ea.
  • 72″ (6 ft.) - $57.40 ea.
  • 96″ (8 ft.) - $71.50 ea.
  • 144″ (12 ft.) - $88.99 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

$12.26 ea.
$12.26 for 1

3/8" x 1 1/2" Carbon Steel Rectangle Bar 1018 Cold Finish - 
Part #: 7488

3/8" x 1 1/2" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7488

Click for more details

mild-steel-key-stock-rectangle-1superZoom

Dimensions

  • Thickness: 0.375"
  • Width: 1.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $12.12 ea.
  • 24″ (2 ft.) - $23.55 ea.
  • 36″ (3 ft.) - $32.17 ea.
  • 48″ (4 ft.) - $40.08 ea.
  • 72″ (6 ft.) - $56.64 ea.
  • 96″ (8 ft.) - $70.53 ea.
  • 144″ (12 ft.) - $87.79 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

$12.12 ea.
$12.12 for 1

3/8" x 1" Copper Full Round Edge 110-H02 - 
Part #: 26170

3/8" x 1" Copper Full Round Edge 110-H02-
Part #: 26170

Click for more details

copper-full-round-edgesuperZoom

Dimensions

  • Thickness: 0.375"
  • Width: 1"
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 1 1/2" Copper Full Round Edge 110-H02 - 
Part #: 26172

3/8" x 1 1/2" Copper Full Round Edge 110-H02-
Part #: 26172

Click for more details

copper-full-round-edgesuperZoom

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 2" Copper Full Round Edge 110-H02 - 
Part #: 26174

3/8" x 2" Copper Full Round Edge 110-H02-
Part #: 26174

Click for more details

copper-full-round-edgesuperZoom

Dimensions

  • Thickness: 0.375"
  • Width: 2"
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" Copper Full Round Edge 110-H02 - 
Part #: 26180

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

Click for more details

copper-full-round-edgesuperZoom

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.

Can't find what you're looking for?

Contact us for a custom quote