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Round Bar

-2948 Products

We carry metal round bar stock in alloy steel, aluminum, beryllium copper, brass, bronze, carbon fiber, carbon steel, cast iron, copper, maraging steel, nickel silver, nickel, plastic, stainless steel, and titanium. Most of our metal round bar is available in full size and custom cut lengths. Whether you're looking for a perfectly sized bright bar or a large quantity of durable plastic, you can price and order round bar from Online Metals and enjoy the convenience of delivery directly to you.

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3.5mm Dia. Brass Round Rod 260 - 1 Meter Long (5 Pieces) - 
Part #: mp-00000695

3.5mm Dia. Brass Round Rod 260 - 1 Meter Long (5 Pieces) -
Part #: mp-00000695

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Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 3.5mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 5

QTY

$33.99 ea.
$33.99

3.5mm Dia. Brass Round Rod 260 - 300mm Long (3 Pieces) - 
Part #: mp-00000707

3.5mm Dia. Brass Round Rod 260 - 300mm Long (3 Pieces) -
Part #: mp-00000707

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Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 3.5mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 3

QTY

$10.99 ea.
$10.99

3 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002399

3 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002399

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $192.66 ea.
  • 24″ (2 ft.) - $385.33 ea.
  • 72″ (6 ft.) - $1,155.99 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.

QTY

$192.66 ea.
$192.66 for 1

3 1/2" Tool Steel Round Bar A2 - 
Part #: mp-00002407

3 1/2" Tool Steel Round Bar A2 -
Part #: mp-00002407

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Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $226.17 ea.
  • 24″ (2 ft.) - $452.34 ea.
  • 72″ (6 ft.) - $1,357.02 ea.
  • 144″ (12 ft.) - $2,714.03 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

$226.17 ea.
$226.17 for 1

3 1/2" Tool Steel Round Bar D2 - 
Part #: mp-00002431

3 1/2" Tool Steel Round Bar D2 -
Part #: mp-00002431

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Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $244.63 ea.
  • 24″ (2 ft.) - $489.27 ea.
  • 72″ (6 ft.) - $1,467.79 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

$244.63 ea.
$244.63 for 1

3 1/2" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002467

3 1/2" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002467

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $205.07 ea.
  • 24″ (2 ft.) - $410.14 ea.
  • 72″ (6 ft.) - $1,230.41 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

$205.07 ea.
$205.07 for 1

3 1/2" Phosphor Bronze Round Bar 544-H04 - 
Part #: 28069

3 1/2" Phosphor Bronze Round Bar 544-H04-
Part #: 28069

Click for more details

bronze-round-bar-544-h04-1superZoom

Dimensions

  • Diameter: 3.5"
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" Stainless Round Bar 410 - 
Part #: 25285

3 1/2" Stainless Round Bar 410 -
Part #: 25285

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stainless-round-bar-410-cold-finish-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 24″ (2 ft.) - $1,684.07 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

$1,684.07 ea.
$1,684.07 for 1

3 1/2" Stainless Round Bar 310 - 
Part #: 25286

3 1/2" Stainless Round Bar 310 -
Part #: 25286

Click for more details

stainless-round-bar-316-cold-finish-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 24″ (2 ft.) - $4,127.59 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.

QTY

$4,127.59 ea.
$4,127.59 for 1

3 1/2" Aluminum Round Bar 7075-T7351-Cold Finish - 
Part #: 25364

3 1/2" Aluminum Round Bar 7075-T7351-Cold Finish -
Part #: 25364

Click for more details

aluminum-round-bar-7075-t651-cold-finish-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $201.75 ea.
  • 24″ (2 ft.) - $381.36 ea.
  • 36″ (3 ft.) - $563.16 ea.
  • 48″ (4 ft.) - $730.18 ea.
  • 72″ (6 ft.) - $1,006.59 ea.
  • 96″ (8 ft.) - $1,288.90 ea.
  • 144″ (12 ft.) - $1,773.74 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

$201.75 ea.
$201.75 for 1

3.5" OD Chromium Copper Round Bar 182 Class 2 - 
Part #: mp-00005130

3.5" OD Chromium Copper Round Bar 182 Class 2 -
Part #: mp-00005130

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Sold & shipped by Southern Copper

Dimensions

  • Diameter: 3.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $661.99 ea.
  • 24″ (2 ft.) - $1,449.30 ea.
  • 36″ (3 ft.) - $1,925.98 ea.
  • 48″ (4 ft.) - $2,898.60 ea.
  • 72″ (6 ft.) - $4,347.91 ea.
  • 96″ (8 ft.) - $5,797.21 ea.
  • 144″ (12 ft.) - $8,695.81 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

$661.99 ea.
$661.99 for 1
quantity discountBuy More & Save up to 10% !
Qty
Price ea.
Savings
2-4
$642.13
3%
5-9
$628.89
5%
10+
$595.79
10%
More
Less

3 1/2" Stainless Round Bar 17-4 H1150 - 
Part #: mp-00005214

3 1/2" Stainless Round Bar 17-4 H1150 -
Part #: mp-00005214

Click for more details

stainless-round-bar-17-4-annealed-cold-finish-ph-1superZoom
Sold & shipped by AW Metals

Dimensions

  • Diameter: 3.5"
  • Ships In: 2 Business Days
See all available dimensions for this product
  • 6″ (6 in.) - $200.00 ea.
  • 12″ (1 ft.) - $350.00 ea.
  • 24″ (2 ft.) - $650.00 ea.
  • 36″ (3 ft.) - $925.00 ea.
  • 48″ (4 ft.) - $1,225.00 ea.
  • 72″ (6 ft.) - $1,800.00 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.
Create Custom Cut

QTY

$200.00 ea.
$200.00 for 1

3 1/2" Stainless Round Bar 15-5 PH Cond. A - 
Part #: 27527

3 1/2" Stainless Round Bar 15-5 PH Cond. A-
Part #: 27527

Click for more details

stainless-round-bar-15-5-annealed-1superZoom

Dimensions

  • Diameter: 3.5"
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" Copper Round Bar 145-H02 - 
Part #: 21180

3 1/2" Copper Round Bar 145-H02-
Part #: 21180

Click for more details

copper-round-bar-145-h02-1superZoom

Dimensions

  • Diameter: 3.5"
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" Aluminum Round Bar 2024-T351-Cold Finish - 
Part #: 12644

3 1/2" Aluminum Round Bar 2024-T351-Cold Finish -
Part #: 12644

Click for more details

aluminum-round-bar-2024-t351-cold-finish-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $210.26 ea.
  • 24″ (2 ft.) - $397.42 ea.
  • 36″ (3 ft.) - $586.89 ea.
  • 48″ (4 ft.) - $760.95 ea.
  • 72″ (6 ft.) - $1,049.01 ea.
  • 96″ (8 ft.) - $1,343.22 ea.
  • 144″ (12 ft.) - $1,848.47 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

$210.26 ea.
$210.26 for 1

3 1/2" Alloy Steel Round Bar 4340-Annealed Hot Rolled - 
Part #: 25270

3 1/2" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
Part #: 25270

Click for more details

alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $486.91 ea.
  • 24″ (2 ft.) - $920.30 ea.
  • 36″ (3 ft.) - $1,359.06 ea.
  • 48″ (4 ft.) - $1,762.14 ea.
  • 72″ (6 ft.) - $2,429.17 ea.
  • 96″ (8 ft.) - $3,110.47 ea.
  • 144″ (12 ft.) - $4,280.47 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

$486.91 ea.
$486.91 for 1

3 1/2" Bronze Round Bar C89835-Bismuth Tin Bronze - 
Part #: 25623

3 1/2" Bronze Round Bar C89835-Bismuth Tin Bronze -
Part #: 25623

Click for more details

bronze-round-bar-954-3superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 13″ (13 in.) - $684.87 ea.
  • 26″ (26 in.) - $1,405.79 ea.
  • 39″ (39 in.) - $1,946.48 ea.
  • 52″ (52 in.) - $2,523.22 ea.
  • 65″ (65 in.) - $3,099.96 ea.
  • 78″ (78 in.) - $3,611.81 ea.
  • 105″ (105 in.) - $4,658.13 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

$684.87 ea.
$684.87 for 1

3.5" Bronze Round Bar 907 Continuous Cast - 
Part #: mp-00034438

3.5" Bronze Round Bar 907 Continuous Cast -
Part #: mp-00034438

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 3.5"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $484.50 ea.
  • 24″ (2 ft.) - $969.00 ea.
  • 72″ (6 ft.) - $2,919.75 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

$484.50 ea.
$484.50 for 1

3.5" Bronze Round Bar 905 Continuous Cast - 
Part #: mp-00034520

3.5" Bronze Round Bar 905 Continuous Cast -
Part #: mp-00034520

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 3.5"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $485.55 ea.
  • 24″ (2 ft.) - $971.10 ea.
  • 72″ (6 ft.) - $2,925.75 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

$485.55 ea.
$485.55 for 1

3.5" Bronze Round Bar 903 Continuous Cast - 
Part #: mp-00034543

3.5" Bronze Round Bar 903 Continuous Cast -
Part #: mp-00034543

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 3.5"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $473.10 ea.
  • 24″ (2 ft.) - $946.20 ea.
  • 72″ (6 ft.) - $2,838.60 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

$473.10 ea.
$473.10 for 1

3 1/2" Stainless Round Bar 420 - 
Part #: mp-00038657

3 1/2" Stainless Round Bar 420 -
Part #: mp-00038657

Click for more details

stainless-round-bar-316-cold-finish-1superZoom
Sold & shipped by AW Metals

Dimensions

  • Diameter: 3.5"
  • Ships In: 2 Business Days
See all available dimensions for this product
  • 6″ (6 in.) - $120.00 ea.
  • 12″ (1 ft.) - $195.00 ea.
  • 24″ (2 ft.) - $340.00 ea.
  • 36″ (3 ft.) - $480.00 ea.
  • 48″ (4 ft.) - $650.00 ea.
  • 72″ (6 ft.) - $995.00 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.
Create Custom Cut

QTY

$120.00 ea.
$120.00 for 1

3 1/2" Lead Free Brass Round Bar 693 - 
Part #: 29011

3 1/2" Lead Free Brass Round Bar 693-
Part #: 29011

Click for more details

Dimensions

  • Diameter: 3.5"
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" Nickel Round Bar 400 - 
Part #: 28890

3 1/2" Nickel Round Bar 400-
Part #: 28890

Click for more details

Dimensions

  • Diameter: 3.5"
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" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered - 
Part #: 28889

3 1/2" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered-
Part #: 28889

Click for more details

Placeholder for future product image

Dimensions

  • Diameter: 3.5"
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" Stainless Steel Round Bar 431-Annealed Rough Turned - 
Part #: 28917

3 1/2" Stainless Steel Round Bar 431-Annealed Rough Turned-
Part #: 28917

Click for more details

Placeholder for future product image

Dimensions

  • Diameter: 3.5"
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