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Alloy Steel Hex Bar

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Alloy Steel Hex Bar

We carry alloy steel hex bar in 4130 cold drawn normalized, 4140/4142 cold finish, and 4140 metric. Alloy steel hex bar stock is available in custom cut and 1ft, 2ft, 3ft, 4ft, 5ft, 6ft, 7ft, 8ft, and 12ft lengths, and metric hexagonal steel bar is sold in 5ft lengths. As one of the top hexagonal steel bar suppliers, we offer competitive prices, outstanding service, and convenience – order the steel hex rod you need for your project and have it delivered directly to you!

Material Properties

Link Icon Alloy Steel Product Guide | Link Icon Alloy Steel Hex Bar Tolerances

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5/8" Alloy Steel Hex Bar 4340 Cold Finished, Normalized & Tempered Part # 27781

5/8" Alloy Steel Hex Bar 4340 Cold Finished, Normalized & Tempered -
Part #: 27781
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

Update
$19.63 for 1
$19.63 ea.

Dimensions

  • Across Flats: 0.625"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk27781

3/4" Alloy Steel Hex Bar 4140 Cold Finish -  Part # 27936

3/4" Alloy Steel Hex Bar 4140 Cold Finish-
Part #: 27936
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

7/8" Alloy Steel Hex Bar 4130-Heat Treated Cold Drawn Condition F -  Part # 28780

7/8" Alloy Steel Hex Bar 4130-Heat Treated Cold Drawn Condition F-
Part #: 28780
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20242

1" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20242
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

Update
$33.70 for 1
$33.70 ea.

Dimensions

  • Across Flats: 1"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20242

1 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20243

1 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20243
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

Update
$52.60 for 1
$52.60 ea.

Dimensions

  • Across Flats: 1.25"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20243

1 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish -  Part # 27980

1 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish-
Part #: 27980
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20244

1 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20244
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

Update
$90.76 for 1
$90.76 ea.

Dimensions

  • Across Flats: 1.5"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20244

1 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20246

1 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20246
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

Update
$78.90 for 1
$78.90 ea.

Dimensions

  • Across Flats: 1.75"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20246

2" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20247

2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20247
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

Update
$98.83 for 1
$98.83 ea.

Dimensions

  • Across Flats: 2"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20247

2 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20248

2 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20248
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

Update
$122.19 for 1
$122.19 ea.

Dimensions

  • Across Flats: 2.25"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20248

2 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish -  Part # 20249

2 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish-
Part #: 20249
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

2/ 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20250

2/ 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20250
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

Update
$155.80 for 1
$155.80 ea.

Dimensions

  • Across Flats: 2.5"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20250

2 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20251

2 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20251
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

Update
$231.04 for 1
$231.04 ea.

Dimensions

  • Across Flats: 2.75"
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk20251

5mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24513

5mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24513

Pack of 8

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

Update
$139.57
$139.57 ea.

Dimensions

  • Across Flats: 5mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24513

7mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24514

7mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24514

Pack of 8

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

Update
$138.58
$138.58 ea.

Dimensions

  • Across Flats: 7mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24514

8mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24515

8mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24515

Pack of 4

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

Update
$127.18
$127.18 ea.

Dimensions

  • Across Flats: 8mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24515

10mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24516

10mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24516

Pack of 3

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

Update
$133.67
$133.67 ea.

Dimensions

  • Across Flats: 10mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24516

12mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24517

12mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24517

Pack of 2

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

Update
$142.08
$142.08 ea.

Dimensions

  • Across Flats: 12mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24517

13mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24518

13mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24518

Pack of 2

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

Update
$160.78
$160.78 ea.

Dimensions

  • Across Flats: 13mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24518

14mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24519

14mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24519

Pack of 2

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

Update
$188.41
$188.41 ea.

Dimensions

  • Across Flats: 14mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24519

15mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24520

15mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24520

Pack of 2

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

Update
$190.52
$190.52 ea.

Dimensions

  • Across Flats: 15mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24520

17mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24521

17mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24521

Pack of 1

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

Update
$137.61
$137.61 ea.

Dimensions

  • Across Flats: 17mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24521

20mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24522

20mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24522

Pack of 1

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

Update
$265.51
$265.51 ea.

Dimensions

  • Across Flats: 20mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24522

22mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24523

22mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24523

Pack of 1

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

Update
$276.91
$276.91 ea.

Dimensions

  • Across Flats: 22mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24523

24mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24524

24mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24524

Pack of 1

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

Update
$329.48
$329.48 ea.

Dimensions

  • Across Flats: 24mm
Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom-desk24524

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