☆ Double Points for Dads! ☆
Rewards Members Earn 2X Points on Qualifying Purchases Until 6/15 at Midnight!
Shop all Products
Shop Aerospace Materials

Open for Orders 24/7!

Deals
Get a Quick Quote!
round-bar-large-drillrod-new-min-4superZoom

Stainless Steel Round Bar 303

-123 Products

Stainless Steel 303 Product Guide Product   | Stainless Steel 303 Round Bar Tolerances product

303 stainless steel round bar is normally used for aerospace, food and beverage, machinery, architectural, chemical, and cryogenic applications. 303 stainless rod offers ease of machining, grinding, and polishing. However, its toughness and corrosion resistance are slightly lower as a result. 303 stainless round bar stock is available in full size and custom-cut lengths. Price and order online and enjoy direct-to-you shipping.

We also carry Metric 303 stainless steel round bar, and 303 Turned Ground & polished precision round bar.

 

Relevant Knowledge Hub Resources: Understanding Steel | The Weldability of Stainless Steel

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

Production Method

Surface

Finish

Temper

DFARS

seller

Shape

Can't find what you need?

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


Buy More, Pay Less with Bulk Buys!

See the savings stack up in your cart in quantities of 5, 10, 20 or 50+ of 304 & 316 stainless round bar


3/32" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 2010

3/32" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2010

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.09375"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $4.96 ea.
  • 36″ (3 ft.) - $5.53 ea.
  • 48″ (4 ft.) - $6.90 ea.
  • 72″ (6 ft.) - $9.76 ea.
  • 96″ (8 ft.) - $12.13 ea.
  • 144″ (12 ft.) - $15.11 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

$4.50 ea.
$4.50 for 1

3/32" Dia. Stainless Round Rod 303 - 12" Long (2 Pieces) - 
Part #: mp-00000672

3/32" Dia. Stainless Round Rod 303 - 12" Long (2 Pieces) -
Part #: mp-00000672

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.0938"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$5.99 ea.
$5.99

1/8" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 2011

1/8" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2011

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.125"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $4.96 ea.
  • 36″ (3 ft.) - $5.01 ea.
  • 48″ (4 ft.) - $5.12 ea.
  • 72″ (6 ft.) - $5.18 ea.
  • 96″ (8 ft.) - $5.23 ea.
  • 144″ (12 ft.) - $5.54 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

$4.50 ea.
$4.50 for 1

1/8" Stainless Round Bar 303-Turned Ground and Polished - 
Part #: mp-00040852

1/8" Stainless Round Bar 303-Turned Ground and Polished -
Part #: mp-00040852

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 0.125"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $2.50 ea.
  • 24″ (2 ft.) - $5.00 ea.
  • 36″ (3 ft.) - $7.50 ea.
  • 48″ (4 ft.) - $10.00 ea.
  • 60″ (5 ft.) - $12.50 ea.
  • 72″ (6 ft.) - $15.00 ea.
  • 144″ (12 ft.) - $27.00 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

$2.50 ea.
$2.50 for 1

5/32" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 20823

5/32" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 20823

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.1562"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $4.96 ea.
  • 36″ (3 ft.) - $5.01 ea.
  • 48″ (4 ft.) - $5.12 ea.
  • 72″ (6 ft.) - $5.18 ea.
  • 96″ (8 ft.) - $5.70 ea.
  • 144″ (12 ft.) - $7.11 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.
Create Custom Cut

QTY

$4.50 ea.
$4.50 for 1
SALE! Overstock Sale! Huge Savings on select cut lengths!

3/16" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 2012

3/16" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2012

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.1875"
See all available dimensions for this product
  • 12″ (1 ft.) - $0.42 ea. - Overstock Sale! Ships out of OH while supplies last!
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $4.96 ea.
  • 36″ (3 ft.) - $5.01 ea.
  • 48″ (4 ft.) - $5.12 ea.
  • 72″ (6 ft.) - $5.09 ea.
  • 96″ (8 ft.) - $6.35 ea.
  • 144″ (12 ft.) - $7.89 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

$0.42 ea.
$0.42 for 1

3/16" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) - 
Part #: mp-00000680

3/16" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) -
Part #: mp-00000680

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.1875"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$6.99 ea.
$6.99

3/16" Stainless Round Bar 303-Turned Ground and Polished - 
Part #: mp-00040856

3/16" Stainless Round Bar 303-Turned Ground and Polished -
Part #: mp-00040856

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 0.1875"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $6.50 ea.
  • 24″ (2 ft.) - $13.00 ea.
  • 36″ (3 ft.) - $19.50 ea.
  • 48″ (4 ft.) - $26.00 ea.
  • 60″ (5 ft.) - $32.50 ea.
  • 72″ (6 ft.) - $39.00 ea.
  • 144″ (12 ft.) - $78.00 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

$6.50 ea.
$6.50 for 1

1/4" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 2013

1/4" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2013

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $4.96 ea.
  • 36″ (3 ft.) - $5.01 ea.
  • 48″ (4 ft.) - $5.80 ea.
  • 72″ (6 ft.) - $8.21 ea.
  • 96″ (8 ft.) - $10.21 ea.
  • 144″ (12 ft.) - $12.71 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

$4.50 ea.
$4.50 for 1

1/4" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) - 
Part #: mp-00000677

1/4" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) -
Part #: mp-00000677

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.25"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$10.99 ea.
$10.99

1/4" Dia. Stainless Round Rod 303 - 36" Long (4 Pieces) - 
Part #: mp-00000681

1/4" Dia. Stainless Round Rod 303 - 36" Long (4 Pieces) -
Part #: mp-00000681

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.25"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 4

QTY

$48.99 ea.
$48.99

1/4" Stainless Round Bar 303-Turned Ground and Polished - 
Part #: mp-00040855

1/4" Stainless Round Bar 303-Turned Ground and Polished -
Part #: mp-00040855

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 0.25"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $6.75 ea.
  • 24″ (2 ft.) - $13.50 ea.
  • 36″ (3 ft.) - $20.25 ea.
  • 48″ (4 ft.) - $27.00 ea.
  • 60″ (5 ft.) - $33.75 ea.
  • 72″ (6 ft.) - $40.50 ea.
  • 144″ (12 ft.) - $81.00 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

$6.75 ea.
$6.75 for 1

5/16" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 20107

5/16" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 20107

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.3125"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $5.47 ea.
  • 36″ (3 ft.) - $7.44 ea.
  • 48″ (4 ft.) - $9.29 ea.
  • 72″ (6 ft.) - $13.13 ea.
  • 96″ (8 ft.) - $16.34 ea.
  • 144″ (12 ft.) - $20.34 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

$4.50 ea.
$4.50 for 1

5/16" Dia. Stainless Round Rod 303 - 36" Long (3 Pieces) - 
Part #: mp-00000670

5/16" Dia. Stainless Round Rod 303 - 36" Long (3 Pieces) -
Part #: mp-00000670

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.3125"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 3

QTY

$47.99 ea.
$47.99

5/16" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) - 
Part #: mp-00000674

5/16" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) -
Part #: mp-00000674

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.3125"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$13.99 ea.
$13.99

5/16" Stainless Round Bar 303-Turned Ground and Polished - 
Part #: mp-00040851

5/16" Stainless Round Bar 303-Turned Ground and Polished -
Part #: mp-00040851

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 0.3125"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $7.00 ea.
  • 24″ (2 ft.) - $14.00 ea.
  • 36″ (3 ft.) - $21.00 ea.
  • 48″ (4 ft.) - $28.00 ea.
  • 60″ (5 ft.) - $35.00 ea.
  • 72″ (6 ft.) - $42.00 ea.
  • 144″ (12 ft.) - $84.00 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

$7.00 ea.
$7.00 for 1

3/8" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 2014

3/8" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2014

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $7.76 ea.
  • 36″ (3 ft.) - $10.57 ea.
  • 48″ (4 ft.) - $13.17 ea.
  • 72″ (6 ft.) - $18.62 ea.
  • 96″ (8 ft.) - $23.20 ea.
  • 144″ (12 ft.) - $28.86 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

$4.50 ea.
$4.50 for 1

3/8" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) - 
Part #: mp-00000671

3/8" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) -
Part #: mp-00000671

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.375"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$15.99 ea.
$15.99

3/8" Dia. Stainless Round Rod 303 - 36" Long (3 Pieces) - 
Part #: mp-00000676

3/8" Dia. Stainless Round Rod 303 - 36" Long (3 Pieces) -
Part #: mp-00000676

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.375"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 3

QTY

$82.99 ea.
$82.99

3/8" Stainless Round Bar 303-Turned Ground and Polished - 
Part #: mp-00040848

3/8" Stainless Round Bar 303-Turned Ground and Polished -
Part #: mp-00040848

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 0.375"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $7.25 ea.
  • 24″ (2 ft.) - $14.50 ea.
  • 36″ (3 ft.) - $21.75 ea.
  • 48″ (4 ft.) - $29.00 ea.
  • 60″ (5 ft.) - $36.25 ea.
  • 72″ (6 ft.) - $43.50 ea.
  • 144″ (12 ft.) - $87.00 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

$7.25 ea.
$7.25 for 1

7/16" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 20827

7/16" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 20827

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.4375"
See all available dimensions for this product
  • 12″ (1 ft.) - $5.41 ea.
  • 24″ (2 ft.) - $10.56 ea.
  • 36″ (3 ft.) - $14.40 ea.
  • 48″ (4 ft.) - $17.95 ea.
  • 72″ (6 ft.) - $25.36 ea.
  • 96″ (8 ft.) - $31.58 ea.
  • 144″ (12 ft.) - $39.31 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

$5.41 ea.
$5.41 for 1

7/16" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) - 
Part #: mp-00000675

7/16" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) -
Part #: mp-00000675

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.4375"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$18.99 ea.
$18.99

7/16" Stainless Round Bar 303-Turned Ground and Polished - 
Part #: mp-00040849

7/16" Stainless Round Bar 303-Turned Ground and Polished -
Part #: mp-00040849

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 0.4375"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $8.00 ea.
  • 24″ (2 ft.) - $16.00 ea.
  • 36″ (3 ft.) - $24.00 ea.
  • 48″ (4 ft.) - $32.00 ea.
  • 60″ (5 ft.) - $40.00 ea.
  • 72″ (6 ft.) - $48.00 ea.
  • 144″ (12 ft.) - $96.00 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

$8.00 ea.
$8.00 for 1

1/2" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 2015

1/2" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2015

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $6.86 ea.
  • 24″ (2 ft.) - $13.37 ea.
  • 36″ (3 ft.) - $18.24 ea.
  • 48″ (4 ft.) - $22.76 ea.
  • 72″ (6 ft.) - $32.11 ea.
  • 96″ (8 ft.) - $40.00 ea.
  • 144″ (12 ft.) - $49.81 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.
Create Custom Cut

QTY

$6.86 ea.
$6.86 for 1

1/2" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) - 
Part #: mp-00000673

1/2" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) -
Part #: mp-00000673

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 0.5"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$19.99 ea.
$19.99

Can't find what you're looking for?

Contact us for a custom quote