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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

$11.04 for 1

$11.04 ea.

Dimensions

Diameter: 0.21875"

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

Key Features

FREEMTRAvailable

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{ "item_id":"4632", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/4" Tool Steel Drill Rod O1 Precision Ground Part # 4632

1/4" Tool Steel Drill Rod O1 Precision Ground -

Part #: 4632

*Select a Cut Size

36″ (3 ft.) - $10.48 ea.
72″ (6 ft.) - $21.10 ea.

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Single Heat Lot Required

QTY

QTY Update

$10.48 for 1

$10.48 ea.

Dimensions

Diameter: 0.25"

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":"13689", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

9/64" Tool Steel Drill Rod O1 Precision Ground Part # 13689

9/64" Tool Steel Drill Rod O1 Precision Ground -

Part #: 13689

*Select a Cut Size

36″ (3 ft.) - $8.57 ea.
72″ (6 ft.) - $17.55 ea.
144″ (12 ft.) - $26.84 ea.

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Single Heat Lot Required

QTY

QTY Update

$8.57 for 1

$8.57 ea.

Dimensions

Diameter: 0.140625"

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":"4631", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/16" Tool Steel Drill Rod O1 Precision Ground Part # 4631

3/16" Tool Steel Drill Rod O1 Precision Ground -

Part #: 4631

*Select a Cut Size

36″ (3 ft.) - $9.26 ea.
72″ (6 ft.) - $18.85 ea.

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Single Heat Lot Required

QTY

QTY Update

$9.26 for 1

$9.26 ea.

Dimensions

Diameter: 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":"4636", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/2" Tool Steel Drill Rod O1 Precision Ground Part # 4636

1/2" Tool Steel Drill Rod O1 Precision Ground -

Part #: 4636

*Select a Cut Size

36″ (3 ft.) - $30.96 ea.
72″ (6 ft.) - $58.94 ea.
144″ (12 ft.) - $97.24 ea.

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Single Heat Lot Required

QTY

QTY Update

$30.96 for 1

$30.96 ea.

Dimensions

Diameter: 0.5"

Key Features

FREEMTRAvailable

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{ "item_id":"12437", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Square", "alloy":"O1", "temper":"", "productionMethod":"Ground Oversize", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/2" Tool Steel Square Bar O1 Ground Oversize Part # 12437

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

Part #: 12437

*Select a Cut Size

18″ (18 in.) - $77.63 ea.
36″ (3 ft.) - $128.23 ea.

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Single Heat Lot Required

QTY

QTY Update

$77.63 for 1

$77.63 ea.

Dimensions

Height: 0.5"

tool-steel-square-bar-o1-oversize-1superZoom

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":"11826", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Rectangle", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

9/64" x 2" Tool Steel Rectangle Bar O1 Precision Ground Part # 11826

9/64" x 2" Tool Steel Rectangle Bar O1 Precision Ground -

Part #: 11826

*Select a Cut Size

18″ (18 in.) - $71.63 ea.
36″ (3 ft.) - $118.49 ea.

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Single Heat Lot Required

QTY

QTY Update

$71.63 for 1

$71.63 ea.

Dimensions

Thickness: 0.1406"
Width: 2"

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":"4630", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/8" Tool Steel Drill Rod O1 Precision Ground Part # 4630

1/8" Tool Steel Drill Rod O1 Precision Ground -

Part #: 4630

*Select a Cut Size

36″ (3 ft.) - $6.43 ea.
72″ (6 ft.) - $13.63 ea.

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Single Heat Lot Required

QTY

QTY Update

$6.43 for 1

$6.43 ea.

Dimensions

Diameter: 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":"11151", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/32" Tool Steel Drill Rod O1 Precision Ground Part # 11151

5/32" Tool Steel Drill Rod O1 Precision Ground -

Part #: 11151

*Select a Cut Size

36″ (3 ft.) - $8.01 ea.
72″ (6 ft.) - $16.59 ea.
144″ (12 ft.) - $25.18 ea.

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Single Heat Lot Required

QTY

QTY Update

$8.01 for 1

$8.01 ea.

Dimensions

Diameter: 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":"26467", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

10mm Tool Steel Drill Rod O1 36" Precision Ground Part # 26467

10mm Tool Steel Drill Rod O1 36" Precision Ground -

Part #: 26467

*Select a Cut Size

36″ (3 ft.) - $30.65 ea.

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

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Single Heat Lot Required

QTY

QTY Update

$30.65 for 1

$30.65 ea.

Dimensions

Diameter: 10mm

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"13637", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

13/64" Tool Steel Drill Rod O1 Precision Ground Part # 13637

13/64" Tool Steel Drill Rod O1 Precision Ground -

Part #: 13637

*Select a Cut Size

36″ (3 ft.) - $11.65 ea.
72″ (6 ft.) - $23.29 ea.
144″ (12 ft.) - $36.58 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

$11.65 for 1

$11.65 ea.

Dimensions

Diameter: 0.203125"

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":"4633", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/16" Tool Steel Drill Rod O1 Precision Ground Part # 4633

5/16" Tool Steel Drill Rod O1 Precision Ground -

Part #: 4633

*Select a Cut Size

72″ (6 ft.) - $26.13 ea.

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Single Heat Lot Required

QTY

QTY Update

$26.13 for 1

$26.13 ea.

Dimensions

Diameter: 0.3125"

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":"11690", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Rectangle", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

5/64" x 1" Tool Steel Rectangle Bar O1 Precision Ground Part # 11690

5/64" x 1" Tool Steel Rectangle Bar O1 Precision Ground -

Part #: 11690

*Select a Cut Size

18″ (18 in.) - $39.08 ea.

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Single Heat Lot Required

QTY

QTY Update

$39.08 for 1

$39.08 ea.

Dimensions

Thickness: 0.0781"
Width: 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":"26463", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

6mm Tool Steel Drill Rod O1 36" Precision Ground Part # 26463

6mm Tool Steel Drill Rod O1 36" Precision Ground -

Part #: 26463

*Select a Cut Size

36″ (3 ft.) - $14.66 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

$14.66 for 1

$14.66 ea.

Dimensions

Diameter: 6mm

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"4634", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/8" Tool Steel Drill Rod O1 Precision Ground Part # 4634

3/8" Tool Steel Drill Rod O1 Precision Ground -

Part #: 4634

*Select a Cut Size

36″ (3 ft.) - $18.61 ea.
72″ (6 ft.) - $36.03 ea.
144″ (12 ft.) - $58.28 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

$18.61 for 1

$18.61 ea.

Dimensions

Diameter: 0.375"

Material Meets These Standard(s): AMS-28863

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"13655", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

21/32" Tool Steel Drill Rod O1 Precision Ground Part # 13655

21/32" Tool Steel Drill Rod O1 Precision Ground -

Part #: 13655

*Select a Cut Size

36″ (3 ft.) - $60.77 ea.
72″ (6 ft.) - $114.92 ea.
144″ (12 ft.) - $190.56 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

$60.77 for 1

$60.77 ea.

Dimensions

Diameter: 0.65625"

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":"12397", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Rectangle", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1 1/4" x 1 1/2" Tool Steel Rectangle Bar O1 Precision Ground Part # 12397

1 1/4" x 1 1/2" Tool Steel Rectangle Bar O1 Precision Ground -

Part #: 12397

*Select a Cut Size

18″ (18 in.) - $287.53 ea.
36″ (3 ft.) - $475.49 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

$287.53 for 1

$287.53 ea.

Dimensions

Thickness: 1.25"
Width: 1.5"

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":"12297", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Rectangle", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3/4" x 1 3/4" Tool Steel Rectangle Bar O1 Precision Ground Part # 12297

3/4" x 1 3/4" Tool Steel Rectangle Bar O1 Precision Ground -

Part #: 12297

*Select a Cut Size

18″ (18 in.) - $203.17 ea.
36″ (3 ft.) - $336.02 ea.

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

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Single Heat Lot Required

QTY

QTY Update

$203.17 for 1

$203.17 ea.

Dimensions

Thickness: 0.75"
Width: 1.75"

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

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"26465", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

8mm Tool Steel Drill Rod O1 36" Precision Ground Part # 26465

8mm Tool Steel Drill Rod O1 36" Precision Ground -

Part #: 26465

*Select a Cut Size

36″ (3 ft.) - $15.81 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

$15.81 for 1

$15.81 ea.

Dimensions

Diameter: 8mm

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"26460", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

3mm Tool Steel Drill Rod O1 36" Precision Ground Part # 26460

3mm Tool Steel Drill Rod O1 36" Precision Ground -

Part #: 26460

*Select a Cut Size

36″ (3 ft.) - $7.78 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

$7.78 for 1

$7.78 ea.

Dimensions

Diameter: 3mm

Key Features

FREEMTRAvailable

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How does selecting smaller lengths reduce shipping costs?

{ "item_id":"13660", "item_brand":"" , "material":"Tool Steel", "shape":"Drill Rod", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

23/64" Tool Steel Drill Rod O1 Precision Ground Part # 13660

23/64" Tool Steel Drill Rod O1 Precision Ground -

Part #: 13660

*Select a Cut Size

36″ (3 ft.) - $20.68 ea.
72″ (6 ft.) - $39.86 ea.
144″ (12 ft.) - $64.82 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

$20.68 for 1

$20.68 ea.

Dimensions

Diameter: 0.359375"

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":"12162", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Rectangle", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

7/16" x 2 1/2" Tool Steel Rectangle Bar O1 Precision Ground Part # 12162

7/16" x 2 1/2" Tool Steel Rectangle Bar O1 Precision Ground -

Part #: 12162

*Select a Cut Size

18″ (18 in.) - $176.68 ea.
36″ (3 ft.) - $292.10 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

$176.68 for 1

$176.68 ea.

Dimensions

Thickness: 0.4375"
Width: 2.5"

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":"12212", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Rectangle", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/2" x 2 1/2" Tool Steel Rectangle Bar O1 Precision Ground Part # 12212

1/2" x 2 1/2" Tool Steel Rectangle Bar O1 Precision Ground -

Part #: 12212

*Select a Cut Size

18″ (18 in.) - $188.92 ea.
36″ (3 ft.) - $312.41 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

$188.92 for 1

$188.92 ea.

Dimensions

Thickness: 0.5"
Width: 2.5"

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":"11810", "item_brand":"" , "material":"Tool Steel", "shape":"Bar-Rectangle", "alloy":"O1", "temper":"", "productionMethod":"Precision Ground", "domesticAndDfars":"/", "stockAvailableIn":"", "marketplaceItem":"false", "customCut":"false" }

1/8" x 3" Tool Steel Rectangle Bar O1 Precision Ground Part # 11810

1/8" x 3" Tool Steel Rectangle Bar O1 Precision Ground -

Part #: 11810

*Select a Cut Size

18″ (18 in.) - $86.13 ea.
36″ (3 ft.) - $142.39 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

$86.13 for 1

$86.13 ea.

Dimensions

Thickness: 0.125"
Width: 3"

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

Key Features

FREEMTRAvailable

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