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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 1/2" x 4" Aluminum Rectangle Bar 6061-T6511 144" Length - 6pc. Min - 
Part #: 28675

3 1/2" x 4" Aluminum Rectangle Bar 6061-T6511 144" Length - 6pc. Min-
Part #: 28675

Click for more details

Dimensions

  • Thickness: 3.5"
  • 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 1/2" x 5" Aluminum Rectangle Bar 6061-T6511 144" Length - 4pc. Min - 
Part #: 28676

3 1/2" x 5" Aluminum Rectangle Bar 6061-T6511 144" Length - 4pc. Min-
Part #: 28676

Click for more details

Dimensions

  • Thickness: 3.5"
  • 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 1/2" x 4" Cast Iron Rectangle Bar 65-45-12 Dura-Bar - 
Part #: 28945

3 1/2" x 4" Cast Iron Rectangle Bar 65-45-12 Dura-Bar-
Part #: 28945

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Dimensions

  • Thickness: 3.5"
  • 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 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

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cast-iron-dura-bar-squaresuperZoom

Dimensions

  • Thickness: 3.53"
  • Width: 3.53"
See all available dimensions for this product
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

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cast-iron-dura-bar-squaresuperZoom

Dimensions

  • Thickness: 3.75"
  • Width: 4.25"
See all available dimensions for this product
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

Click for more details

cast-iron-dura-bar-squaresuperZoom

Dimensions

  • Thickness: 3.75"
  • Width: 4.75"
See all available dimensions for this product
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

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aluminum-rectangle-bar-6061-t6511-extruded-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 8"
See all available dimensions for this product
  • 12″ (1 ft.) - $350.57 ea.
  • 24″ (2 ft.) - $662.64 ea.
  • 36″ (3 ft.) - $978.54 ea.
  • 48″ (4 ft.) - $1,268.75 ea.
  • 72″ (6 ft.) - $1,749.04 ea.
  • 96″ (8 ft.) - $2,239.59 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

$350.57 ea.
$350.57 for 1

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

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

Click for more details

aluminum-rectangle-bar-6061-t6511-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 5"
See all available dimensions for this product
  • 12″ (1 ft.) - $247.76 ea.
  • 24″ (2 ft.) - $468.29 ea.
  • 36″ (3 ft.) - $691.54 ea.
  • 48″ (4 ft.) - $896.64 ea.
  • 72″ (6 ft.) - $1,236.06 ea.
  • 96″ (8 ft.) - $1,582.77 ea.
  • 144″ (12 ft.) - $2,178.10 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

$247.76 ea.
$247.76 for 1

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

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

Click for more details

aluminum-rectangle-bar-6061-t6511-extruded-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 6"
See all available dimensions for this product
  • 12″ (1 ft.) - $278.21 ea.
  • 24″ (2 ft.) - $525.86 ea.
  • 36″ (3 ft.) - $776.55 ea.
  • 48″ (4 ft.) - $1,006.87 ea.
  • 72″ (6 ft.) - $1,388.01 ea.
  • 96″ (8 ft.) - $1,777.31 ea.
  • 144″ (12 ft.) - $2,445.84 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

$278.21 ea.
$278.21 for 1

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

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mild-steel-rectangle-bar-metric-1018-1superZoom

Dimensions

  • Thickness: 4mm
  • Width: 40mm
See all available dimensions for this product

Pack of 1

QTY

$85.25 ea.
$85.25

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

Click for more details

mild-steel-rectangle-bar-metric-1018-1superZoom

Dimensions

  • Thickness: 4mm
  • Width: 50mm
See all available dimensions for this product

Pack of 1

QTY

$105.30 ea.
$105.30

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

Click for more details

mild-steel-rectangle-bar-metric-1018-1superZoom

Dimensions

  • Thickness: 4mm
  • Width: 60mm
See all available dimensions for this product

Pack of 1

QTY

$125.90 ea.
$125.90

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

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stainless-rectangle-bar-304-1superZoom

Dimensions

  • Thickness: 4mm
  • Width: 20mm
See all available dimensions for this product

Pack of 1

QTY

$111.32 ea.
$111.32

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

Click for more details

stainless-rectangle-bar-304-1superZoom

Dimensions

  • Thickness: 4mm
  • Width: 25mm
See all available dimensions for this product

Pack of 1

QTY

$111.42 ea.
$111.42

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

Click for more details

stainless-rectangle-bar-304-1superZoom

Dimensions

  • Thickness: 4mm
  • Width: 12mm
See all available dimensions for this product

Pack of 1

QTY

$78.56 ea.
$78.56

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

Click for more details

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

Dimensions

  • Thickness: 4mm
  • Width: 6mm
See all available dimensions for this product

Pack of 10

QTY

$95.42 ea.
$95.42

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

Click for more details

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

Dimensions

  • Thickness: 4mm
  • Width: 12mm
See all available dimensions for this product

Pack of 6

QTY

$139.06 ea.
$139.06

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

Click for more details

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

Dimensions

  • Thickness: 4mm
  • Width: 25mm
See all available dimensions for this product

Pack of 4

QTY

$150.06 ea.
$150.06

4mm x 20mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] - 
Part #: 24461

4mm x 20mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24461

Click for more details

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

Dimensions

  • Thickness: 4mm
  • Width: 20mm
See all available dimensions for this product

Pack of 4

QTY

$99.92 ea.
$99.92

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

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

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 4"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $880.52 ea.
  • 24″ (2 ft.) - $1,807.40 ea.
  • 36″ (3 ft.) - $2,502.54 ea.
  • 48″ (4 ft.) - $3,244.05 ea.
  • 72″ (6 ft.) - $4,643.62 ea.
  • 144″ (12 ft.) - $8,786.73 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

$880.52 ea.
$880.52 for 1

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

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

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 15"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $3,462.00 ea.
  • 24″ (2 ft.) - $6,806.64 ea.
  • 36″ (3 ft.) - $10,033.93 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

$3,462.00 ea.
$3,462.00 for 1

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

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 11"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $1,897.12 ea.
  • 24″ (2 ft.) - $3,794.23 ea.
  • 36″ (3 ft.) - $6,968.48 ea.
  • 48″ (4 ft.) - $7,588.46 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

$1,897.12 ea.
$1,897.12 for 1

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

Click for more details

bronze-rectangle-bar-954-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 4"
  • Ships In: 2-3 Business Days From Ohio
See all available dimensions for this product
  • 12″ (1 ft.) - $702.82 ea.
  • 24″ (2 ft.) - $1,405.63 ea.
  • 36″ (3 ft.) - $2,581.74 ea.
  • 48″ (4 ft.) - $2,811.26 ea.
  • 72″ (6 ft.) - $4,790.56 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.

QTY

$702.82 ea.
$702.82 for 1

4" x 5" Aluminum Rectangle Bar 7075-T6511- Extruded - 
Part #: 21994

4" x 5" Aluminum Rectangle Bar 7075-T6511- Extruded -
Part #: 21994

Click for more details

aluminum-rectangle-bar-7075-t651-cold-finish-bare-1superZoom

Dimensions

  • Thickness: 4"
  • Width: 5"
See all available dimensions for this product
  • 12″ (1 ft.) - $370.35 ea.
  • 24″ (2 ft.) - $700.03 ea.
  • 36″ (3 ft.) - $1,033.75 ea.
  • 48″ (4 ft.) - $1,340.37 ea.
  • 72″ (6 ft.) - $1,847.73 ea.
  • 96″ (8 ft.) - $2,365.98 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

$370.35 ea.
$370.35 for 1

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

Click for more details

mild-steel-rectangle-bar-metric-1018-1superZoom

Dimensions

  • Thickness: 4mm
  • Width: 80mm
See all available dimensions for this product

Pack of 1

QTY

$142.07 ea.
$142.07

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