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J-B Weld

J-B Weld KwikWeld Pro Size 10 oz, 6 Minute Set Epoxy, Steel Reinforced Epoxy, High Strength

  • Based on 2,803 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Sep 25 – Sep 26
Order within 20 hours and 6 minutes
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Features

  • Surface applications: Metal, Plastic & PVC, Wood, Concrete, Ceramic & Tile and Fiberglass

Description

J-B Weld is The Original Cold Weld two-part epoxy system that provides strong, lasting repairs to metal and multiple surfaces. Mixed at a ratio of 1:1, it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled after curing. At room temperature, J-B Weld sets in 4-6 hours to a dark grey color. A full cure is reached in 15-24 hours. J-B Weld has a tensile strength of 3960 PSI and sets to a hard bond overnight. It can withstand temperatures up to 550ºF when fully cured.

Brand: J-B Weld


Specific Uses For Product: Repair, Craft, Woodworking, Tile Repair, Furniture, Automotive


Material: Epoxy Resin


Item Form: Paste


Special Feature: Fast Drying


Specific Uses For Product: Repair, Craft, Woodworking, Tile Repair, Furniture, Automotive


Item Form: Paste


Other Special Features of the Product: Fast Drying


Container Type: Tube


Viscosity Level: Medium


Full Cure Time: 6 hours


Water Resistance Level: Waterproof


Tensile Strength: 4360 psi


Compatible Material: Concrete, Fiberglass, Metal, Stone


Item Package Quantity: 1


Volume: 147.8 ml


Material Type: Epoxy Resin


Color: Dark Grey


Brand Name: J-B Weld


Model: 8271


Unit Count: 10 Ounce


UPC: 043425700025 043425082718


Number of Pieces: 1


Global Trade Identification Number: 18


Manufacturer: JBWeld


Included Components: Unit^Instruction Guide


Item Type Name: J-B Weld - 8271


Item Weight: 227 g


Part Number: 8271


Warranty Description: as listed


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 25 – Sep 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Quick setting, rock-hard hold, and great value in the 10 oz size
Size: 10 oz Pattern Name: Epoxy
KwikWeld is my go-to whenever I need a strong, fast-setting repair. It sets up in just a few minutes and cures super solid, perfect for metal repairs around the shop. Buying the professional 10 oz twin pack is much more economical than buying the small tubes if you use epoxy regularly. Outstanding strength and reliability as always from J-B Weld! ... show more
Reviewed in the United States on July 30, 2026 by David K. Clarke
    • Great product
Size: 10 oz Pattern Name: Epoxy
Worked well to patch holes in metal. Easy to make/mix/apply. Great quantity for the money and good durability, holds up well even in weather. Very versatile
Reviewed in the United States on September 10, 2026 by Kevin Peotter
    • Sticks and stays stuck
Size: 10 oz Pattern Name: Epoxy
Seriously, how do you rate goo that has been around doing a fantastic job for decades? It's still doing it...easy to mix, easy to deal with (if you read the bit about curing time and work time and all that). Goes on and stays on, and holds anything to anything else like nobody's business.
Reviewed in the United States on April 28, 2026 by New Mexico Bill
    • Not as strong as the og
Size: 10 oz Pattern Name: Epoxy
Ayyy IT'S THE BIG TUBES!!!!! 😁 FR THOUGH, not as strong as the O. G
Reviewed in the United States on July 3, 2026 by joshua lyons
    • Strong and Quick to Set
Size: 10 oz Pattern Name: Epoxy
Pretty strong and reliable epoxy. It bonds well and sets quickly, which makes small repairs simple. The mix is easy to work with, though you need to move fast before it starts to cure. Feels sturdy once hardened and holds up well — a handy thing to keep around.
Reviewed in the United States on November 14, 2025 by Christina
    • Wow, Great stuff
Size: 10 oz Pattern Name: Epoxy
I purchased this for emergency repairs on a 5,000 mile road trip in a 1932 Ford Roadster Highboy. the fan bolt backed out and made a perfect circle in the radiator tearing the cooling fins and making a hole in the tube 12 miles into the trip. With the drained radiator, I washed the area with brake cleaner I then pinched the fluid tube with needle nose pliers above and below the hole, mixed the J-B Weld and smeared it on the tube and pushed what I could into the hole. I also but the JB weld on the area where the bolt had dug into. It was dry in 15 min. but I let it cure for 24 hours. then filled the radiator with water. No leaks for the entire trip plus 800 miles after that for another show. I also used the J-B Weld for a radiator support rod where the bracket at the radiator broke, I did a road side fix and that held as well. The quick drying formula works very well, the consistency is nice as it does not drip or run on vertical surfaces, it's easy to use and apply with a twig and found cardboard. It withstood the heat from the radiator. The roadster has been nick named The J-B Weld Special by my friends who cannot believe I was able to travel thousands of miles with no problems. ... show more
Reviewed in the United States on July 28, 2026 by Glenn Yamasaki
    • Every shop needs this around
Size: 10 oz Pattern Name: Epoxy
This is a must have for any shop it fixes so many things. And it cures fast and works great. The tubes are big enough to last a long time i actually have some of this that I just finished. That I found in a shed i bought that had to have been 20 years old. And still worked well. The only thing is the older one didn’t cure as fast as this new stuff. I just finished my old stuff and had to order this. Absolutely a shops must have ... show more
Reviewed in the United States on July 23, 2026 by Bill H.
    • Time saver
Size: 10 oz Pattern Name: Epoxy
I like the Kwik Weld better than the original because I can start to handle it after a couple hours instead of waiting for 24 hours for the original to harden. However, I think the "original" is supposed to be stronger than the Kwik Weld.
Reviewed in the United States on September 16, 2026 by Ray

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