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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

QTY Update

$58.18 for 1

$58.18 ea.

Dimensions

Height: 0.125"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12453", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/32" Tool Steel Square Bar O1 Precision Ground Part # 12453

5/32" Tool Steel Square Bar O1 Precision Ground -

Part #: 12453

*Select a Cut Size

18″ (18 in.) - $53.93 ea.
36″ (3 ft.) - $89.33 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$53.93 for 1

$53.93 ea.

Dimensions

Height: 0.15625"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12455", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/16" Tool Steel Square Bar A2 Precision Ground Part # 12455

3/16" Tool Steel Square Bar A2 Precision Ground -

Part #: 12455

*Select a Cut Size

18″ (18 in.) - $65.70 ea.
36″ (3 ft.) - $113.66 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$65.70 for 1

$65.70 ea.

Dimensions

Height: 0.1875"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12461", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

9/32" Tool Steel Square Bar O1 Precision Ground Part # 12461

9/32" Tool Steel Square Bar O1 Precision Ground -

Part #: 12461

*Select a Cut Size

18″ (18 in.) - $50.95 ea.
36″ (3 ft.) - $84.26 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$50.95 for 1

$50.95 ea.

Dimensions

Height: 0.28125"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12469", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

7/16" Tool Steel Square Bar O1 Precision Ground Part # 12469

7/16" Tool Steel Square Bar O1 Precision Ground -

Part #: 12469

*Select a Cut Size

36″ (3 ft.) - $131.02 ea.

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You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$131.02 for 1

$131.02 ea.

Dimensions

Height: 0.4375"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12476", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/8" Tool Steel Square Bar O1 Precision Ground Part # 12476

5/8" Tool Steel Square Bar O1 Precision Ground -

Part #: 12476

*Select a Cut Size

18″ (18 in.) - $99.53 ea.
36″ (3 ft.) - $164.71 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$99.53 for 1

$99.53 ea.

Dimensions

Height: 0.625"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12479", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/4" Tool Steel Square Bar O1 Precision Ground Part # 12479

3/4" Tool Steel Square Bar O1 Precision Ground -

Part #: 12479

*Select a Cut Size

18″ (18 in.) - $128.20 ea.
36″ (3 ft.) - $211.97 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$128.20 for 1

$128.20 ea.

Dimensions

Height: 0.75"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12481", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

7/8" Tool Steel Square Bar A2 Precision Ground Part # 12481

7/8" Tool Steel Square Bar A2 Precision Ground -

Part #: 12481

*Select a Cut Size

36″ (3 ft.) - $306.62 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$306.62 for 1

$306.62 ea.

Dimensions

Height: 0.875"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12485", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1" Tool Steel Square Bar O1 Precision Ground Part # 12485

1" Tool Steel Square Bar O1 Precision Ground -

Part #: 12485

*Select a Cut Size

18″ (18 in.) - $184.42 ea.
36″ (3 ft.) - $304.85 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$184.42 for 1

$184.42 ea.

Dimensions

Height: 1"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12376", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1 1/8" Tool Steel Square Bar O1 Precision Ground Part # 12376

1 1/8" Tool Steel Square Bar O1 Precision Ground -

Part #: 12376

*Select a Cut Size

36″ (3 ft.) - $348.07 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$348.07 for 1

$348.07 ea.

Dimensions

Height: 1.125"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"13865", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1 1/4" Tool Steel Square Bar A2 Precision Ground Part # 13865

1 1/4" Tool Steel Square Bar A2 Precision Ground -

Part #: 13865

*Select a Cut Size

36″ (3 ft.) - $560.69 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$560.69 for 1

$560.69 ea.

Dimensions

Height: 1.25"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"13864", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1 1/2" Tool Steel Square Bar A2 Precision Ground Part # 13864

1 1/2" Tool Steel Square Bar A2 Precision Ground -

Part #: 13864

*Select a Cut Size

18″ (18 in.) - $453.92 ea.
36″ (3 ft.) - $784.68 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$453.92 for 1

$453.92 ea.

Dimensions

Height: 1.5"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12456", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/16" Tool Steel Square Bar O1 Precision Ground Part # 12456

3/16" Tool Steel Square Bar O1 Precision Ground -

Part #: 12456

*Select a Cut Size

18″ (18 in.) - $50.55 ea.
36″ (3 ft.) - $83.52 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$50.55 for 1

$50.55 ea.

Dimensions

Height: 0.1875"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12457", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

7/32" Tool Steel Square Bar O1 Precision Ground Part # 12457

7/32" Tool Steel Square Bar O1 Precision Ground -

Part #: 12457

*Select a Cut Size

36″ (3 ft.) - $80.18 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$80.18 for 1

$80.18 ea.

Dimensions

Height: 0.21875"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12460", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/4" Tool Steel Square Bar O1 Precision Ground Part # 12460

1/4" Tool Steel Square Bar O1 Precision Ground -

Part #: 12460

*Select a Cut Size

18″ (18 in.) - $49.03 ea.
36″ (3 ft.) - $81.00 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$49.03 for 1

$49.03 ea.

Dimensions

Height: 0.25"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12459", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/4" Tool Steel Square Bar A2 Precision Ground Part # 12459

1/4" Tool Steel Square Bar A2 Precision Ground -

Part #: 12459

*Select a Cut Size

18″ (18 in.) - $65.48 ea.
36″ (3 ft.) - $113.21 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$65.48 for 1

$65.48 ea.

Dimensions

Height: 0.25"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12464", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/16" Tool Steel Square Bar O1 Precision Ground Part # 12464

5/16" Tool Steel Square Bar O1 Precision Ground -

Part #: 12464

*Select a Cut Size

18″ (18 in.) - $52.85 ea.
36″ (3 ft.) - $87.50 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$52.85 for 1

$52.85 ea.

Dimensions

Height: 0.3125"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12463", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/16" Tool Steel Square Bar A2 Precision Ground Part # 12463

5/16" Tool Steel Square Bar A2 Precision Ground -

Part #: 12463

*Select a Cut Size

18″ (18 in.) - $74.08 ea.
36″ (3 ft.) - $128.04 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$74.08 for 1

$74.08 ea.

Dimensions

Height: 0.3125"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12467", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/8" Tool Steel Square Bar O1 Precision Ground Part # 12467

3/8" Tool Steel Square Bar O1 Precision Ground -

Part #: 12467

*Select a Cut Size

18″ (18 in.) - $66.60 ea.
36″ (3 ft.) - $110.18 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$66.60 for 1

$66.60 ea.

Dimensions

Height: 0.375"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12466", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/8" Tool Steel Square Bar A2 Precision Ground Part # 12466

3/8" Tool Steel Square Bar A2 Precision Ground -

Part #: 12466

*Select a Cut Size

18″ (18 in.) - $89.20 ea.
36″ (3 ft.) - $154.20 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$89.20 for 1

$89.20 ea.

Dimensions

Height: 0.375"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12472", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/2" Tool Steel Square Bar O1 Precision Ground Part # 12472

1/2" Tool Steel Square Bar O1 Precision Ground -

Part #: 12472

*Select a Cut Size

18″ (18 in.) - $76.08 ea.
36″ (3 ft.) - $125.76 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$76.08 for 1

$76.08 ea.

Dimensions

Height: 0.5"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12471", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/2" Tool Steel Square Bar A2 Precision Ground Part # 12471

1/2" Tool Steel Square Bar A2 Precision Ground -

Part #: 12471

*Select a Cut Size

18″ (18 in.) - $84.80 ea.
36″ (3 ft.) - $146.52 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$84.80 for 1

$84.80 ea.

Dimensions

Height: 0.5"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12473", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

9/16" Tool Steel Square Bar O1 Precision Ground Part # 12473

9/16" Tool Steel Square Bar O1 Precision Ground -

Part #: 12473

*Select a Cut Size

36″ (3 ft.) - $150.89 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$150.89 for 1

$150.89 ea.

Dimensions

Height: 0.5625"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

View more product details View more product details

How does selecting smaller lengths reduce shipping costs?

{ "item_id":"12475", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"A2", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/8" Tool Steel Square Bar A2 Precision Ground Part # 12475

5/8" Tool Steel Square Bar A2 Precision Ground -

Part #: 12475

*Select a Cut Size

36″ (3 ft.) - $199.56 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

Best shipping value:

Single Heat Lot Required

QTY

QTY Update

$199.56 for 1

$199.56 ea.

Dimensions

Height: 0.625"

Material Meets These Standard(s): ASTM-A681,SAE-J-437

Key Features

FREEMTRAvailable

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