SKU: 80819396224

J-B Weld Professional Size Steel Reinforced Epoxy Twin Tube Cold Weld System High Heat 5020 PSI Metal Repair 10 oz 8281

Sale price$11.96 Regular price$13.29
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Description

J-B Weld Professional Size Steel Reinforced Epoxy Twin Tube Cold Weld System High Heat 5020 PSI Metal Repair 10 oz 8281The World's Strongest Bond for Heavy Duty Professional Repairs The J B Weld 8281 Professional Size Steel Reinforced Epoxy is the supersized version of the legendary "Original Cold Weld" system, designed for substantial industrial, automotive, and marine projects. This two part epoxy system provides a viable alternative to torch welding, creating a permanent bond that is stronger than steel itself. With an incredible tensile strength of 5020 PSI, this

The World's Strongest Bond for Heavy-Duty Professional Repairs

The J-B Weld 8281 Professional Size Steel Reinforced Epoxy is the supersized version of the legendary "Original Cold Weld" system, designed for substantial industrial, automotive, and marine projects. This two-part epoxy system provides a viable alternative to torch welding, creating a permanent bond that is stronger than steel itself. With an incredible tensile strength of 5020 PSI, this formula is engineered to handle the toughest repairs on metal, iron, concrete, and more, ensuring that your fix isn't just temporary, but a long-lasting structural solution.

Versatility and durability are at the core of J-B Weld's performance. Once mixed at a simple 1:1 ratio, the epoxy sets in 4-6 hours and achieves a full, rock-hard cure in 15-24 hours. After curing, the material transforms into a dark grey, metal-like substance that can be drilled, tapped, machined, filed, sanded, and painted to match the original surface. It is fully waterproof and resistant to petroleum, chemicals, and acids, and—unlike fast-setting alternatives—it can withstand extreme temperatures up to 550°F (287°C), making it ideal for engine blocks, exhaust manifolds, and high-heat machinery.

Key Features

  • Professional Capacity: Large 10 oz kit provides ample material for big jobs or frequent shop use.
  • Superior Strength: Delivers a massive 5020 PSI tensile strength for structural integrity.
  • High Heat Resistance: Withstands temperatures up to 550°F, perfect for engine and industrial applications.
  • Machinable Finish: Cures to a hard state that can be drilled, tapped, sanded, filed, and painted.
  • Chemical Resistance: Impervious to water, petroleum, acid, and other harsh shop fluids.
  • Versatile Bonding: Adheres permanently to metal, plastic, wood, concrete, ceramic, fiberglass, and tile.

What's Included

  • (1) 5 oz. Tube of Steel Reinforced Epoxy Resin
  • (1) 5 oz. Tube of Hardener

Specifications

Brand J-B Weld
Model Number 8281
Total Volume 10 fl oz
Tensile Strength 5,020 PSI
Shear Strength 5,020 PSI
Set Time 4 to 6 Hours
Full Cure Time 15 to 24 Hours
Max Temp Range Up to 550°F
Cured Color Dark Grey
Mix Ratio 1:1
Application Temperature Up to 120°F
Container Type Tube
Pro-Tip: The strength of the bond is directly related to surface preparation. Smooth surfaces can prevent the epoxy from gripping effectively. Always clean the repair area with a detergent or degreaser to remove oil, and then roughen the surface with coarse sandpaper or a file. This creates a "mechanical lock" that ensures the J-B Weld holds its full 5020 PSI capacity.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 80819396224

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S. Planck
Los Angeles, US
★★★★★ 5
Nice quality and durable!
This works great so far. We did a mixture of sand and water. We’ve had some crazy rain and winds lately and it’s stayed put!
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Reviewed in the United States on May 23, 2026
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rebecca
Birmingham, US
★★★★★ 5
Great umbrella stand
Very nice umbrella stand. Good and sturdy. Great price as well. I’m very pleased with this purchase.
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Reviewed in the United States on May 1, 2026
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Nilsa
Houston, US
★★★★★ 5
Easy assemble
I can assemble quickly and works very good
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Reviewed in the United States on May 1, 2026
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Mary W.
Draper, US
★★★★★ 5
Perfect for the price
Filed with pebbles and holds up well
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Reviewed in the United States on April 25, 2026
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L
Dallas, US
★★★★★ 3
Missing Part, no customer support.
Missing the bolt that attaches the base to the center post. We contacted the vendor and they responded, "We want to assure you that all our parts undergo rigorous inspection and careful packaging before shipment. If you could kindly check the box again for any missing parts, it would be greatly appreciated. Best Regards Yaheetech Customer Service Team" Really, like we didn't checked the box? Responded back to the vendor that we tore the box apart, no bolt. They have gone silent. Update, vendor has offered a partially refund, guess I'll head to Home Depot and look for a replacement bolt. What a pain. Went from 1 to 3 stars for at least contacting us.
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Reviewed in the United States on May 24, 2026

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