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Protobox

-27 Products

Protoboxes are an affordable bundle of high-quality materials perfect for testing your welding and fabrication skills, practicing on a new machine, having excess material for tinkering, or even adding to your latest art piece.

 

Every Protobox contains unique material profiles with each piece typically no larger than 6" x 12", giving you the chance to work with light, heavy, thick, and thin materials under the category of your choice, all at a very low cost.

Protoboxes are available in 5 lbs., 10 lbs., and 20 lbs. package options, in aluminum, brass, copper, carbon steel, and stainless steel.

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Carbon Steel Protobox 5lb. (Assorted Alloys) - Sheets Only Part # 28925

Carbon Steel Protobox 5lb. (Assorted Alloys) - Sheets Only -
Part #: 28925

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
$5.72
$5.72 ea.
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Dimensions

  • Ships In: Limit Two Per Customer
Click for more details mild-steel-sheet-cold-roll-a366-1008-1superZoom

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Copper Protobox 10 Lb - Sheets Only Part # 28920

Copper Protobox 10 Lb - Sheets Only -
Part #: 28920

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
$64.05
$64.05 ea.
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Dimensions

  • Ships In: Limit Two Per Customer
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Brass Protobox 10lbs - Sheets Only Part # 28922

Brass Protobox 10lbs - Sheets Only -
Part #: 28922

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
$34.32
$34.32 ea.
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Dimensions

  • Ships In: Limit Two Per Customer
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Key Features

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Stainless Protobox 5lb - Sheets Only Part # 28927

Stainless Protobox 5lb - Sheets Only -
Part #: 28927

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
$7.74
$7.74 ea.
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Dimensions

  • Ships In: Limit Two Per Customer
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Stainless Protobox 10lb - Sheets Only Part # 28928

Stainless Protobox 10lb - Sheets Only -
Part #: 28928

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
$14.87
$14.87 ea.
Expand Details

Dimensions

  • Ships In: Limit Two Per Customer
Click for more details stainless-sheet-301-1-4-hard-1superZoom

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Copper Protobox 5 Lb - Sheets Only -  Part # 28919

Copper Protobox 5 Lb - Sheets Only-
Part #: 28919
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

Aluminum Protobox 10lbs - Sheets Only Part # 28924

Aluminum Protobox 10lbs - Sheets Only -
Part #: 28924

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
$29.30
$29.30 ea.
Expand Details

Dimensions

  • Ships In: Limit Two Per Customer
Click for more details aluminum-sheet-6061-t6-bare-1superZoom

Key Features

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Brass Protobox 5lbs - Sheets Only Part # 28921

Brass Protobox 5lbs - Sheets Only -
Part #: 28921

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
$17.17
$17.17 ea.
Expand Details

Dimensions

  • Ships In: Limit Two Per Customer
Click for more details brass-sheet-280-1superZoom

Key Features

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Carbon Steel Protobox 10lb. (Assorted Alloys) - Sheets Only Part # 28926

Carbon Steel Protobox 10lb. (Assorted Alloys) - Sheets Only -
Part #: 28926

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
$11.90
$11.90 ea.
Expand Details

Dimensions

  • Ships In: Limit Two Per Customer
Click for more details mild-steel-sheet-cold-roll-a366-1008-1superZoom

Key Features

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Click for more details mild-steel-sheet-cold-roll-a366-1008-1superZoom

Aluminum Protobox 5lbs - Sheets Only Part # 28923

Aluminum Protobox 5lbs - Sheets Only -
Part #: 28923

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
$14.64
$14.64 ea.
Expand Details

Dimensions

  • Ships In: Limit Two Per Customer
Click for more details aluminum-sheet-6061-t6-bare-1superZoom

Key Features

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Plastic Protobox 5lb. Part # 21916

Plastic Protobox 5lb. -
Part #: 21916

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
$8.28
$8.28 ea.
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Key Features

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Click for more details plastic-protobox-5lb

Plastic Protobox 10lb. Part # 21917

Plastic Protobox 10lb. -
Part #: 21917

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
$16.56
$16.56 ea.
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Key Features

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Click for more details plastic-protobox-10lb

Plastic Protobox 20lb. Part # 21918

Plastic Protobox 20lb. -
Part #: 21918

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
$33.10
$33.10 ea.
Expand Details

Key Features

View more product details
Click for more details plastic-protobox-20lb

Aluminum Protobox 5lbs Part # 21886

Aluminum Protobox 5lbs -
Part #: 21886

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
$14.64
$14.64 ea.
Expand Details

Key Features

View more product details
Click for more details aluminum-protobox-1superZoom

Aluminum Protobox 10lbs Part # 21887

Aluminum Protobox 10lbs -
Part #: 21887

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
$29.30
$29.30 ea.
Expand Details

Key Features

View more product details
Click for more details aluminum-protobox-1superZoom

Aluminum Protobox 20lbs Part # 21888

Aluminum Protobox 20lbs -
Part #: 21888

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
$60.90
$60.90 ea.
Expand Details

Key Features

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Click for more details aluminum-protobox-1superZoom

Brass Protobox 5lbs Part # 21883

Brass Protobox 5lbs -
Part #: 21883

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
$17.17
$17.17 ea.
Expand Details

Key Features

View more product details
Click for more details brass-protobox-1superZoom

Brass Protobox 10lbs Part # 21884

Brass Protobox 10lbs -
Part #: 21884

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
$34.32
$34.32 ea.
Expand Details

Key Features

View more product details
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Brass Protobox 20lbs Part # 21885

Brass Protobox 20lbs -
Part #: 21885

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
$62.91
$62.91 ea.
Expand Details

Key Features

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Stainless Protobox 5lb. Part # 21930

Stainless Protobox 5lb. -
Part #: 21930

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
$7.74
$7.74 ea.
Expand Details

Key Features

View more product details
Click for more details stainless-protobox-1superZoom

Stainless Protobox 10lb. Part # 21931

Stainless Protobox 10lb. -
Part #: 21931

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
$14.87
$14.87 ea.
Expand Details

Key Features

View more product details
Click for more details stainless-protobox-1superZoom

Stainless Protobox 20lb. Part # 21932

Stainless Protobox 20lb. -
Part #: 21932

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
$30.94
$30.94 ea.
Expand Details

Key Features

View more product details
Click for more details stainless-protobox-1superZoom

Carbon Steel Protobox 5lb. (Assorted Alloys) Part # 21889

Carbon Steel Protobox 5lb. (Assorted Alloys) -
Part #: 21889

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
$5.72
$5.72 ea.
Expand Details

Key Features

View more product details
Click for more details stainless-protobox-1superZoom

Carbon Steel Protobox 10lb. (Assorted Alloys) Part # 21890

Carbon Steel Protobox 10lb. (Assorted Alloys) -
Part #: 21890

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
$11.90
$11.90 ea.
Expand Details

Key Features

View more product details
Click for more details stainless-protobox-1superZoom

Copper Protobox 5 Lb Part # 21880

Copper Protobox 5 Lb -
Part #: 21880

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
$32.05
$32.05 ea.
Expand Details

Key Features

View more product details
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