J-B Weld KwikWeld Professional Steel Reinforced Epoxy Fast Setting Cold Weld System Metal Repair Twin Tube 10 oz 8271
SKU: 75465026069

J-B Weld KwikWeld Professional Steel Reinforced Epoxy Fast Setting Cold Weld System Metal Repair Twin Tube 10 oz 8271

$14.66 $16.29
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Description

J-B Weld KwikWeld Professional Steel Reinforced Epoxy Fast Setting Cold Weld System Metal Repair Twin Tube 10 oz 8271Professional Grade Structural Repairs in Minutes The J B Weld 803 8271 KwikWeld Professional is the ultimate solution for tackling large scale repairs where speed and strength are paramount. As the professional sized version of the legendary fast setting two part epoxy system, this 10 ounce kit provides ample material for substantial automotive, industrial, and household projects. Engineered for efficiency, KwikWeld sets in just 6 minutes and achieves

Professional Grade Structural Repairs in Minutes

The J-B Weld 803-8271 KwikWeld Professional is the ultimate solution for tackling large-scale repairs where speed and strength are paramount. As the professional-sized version of the legendary fast-setting two-part epoxy system, this 10-ounce kit provides ample material for substantial automotive, industrial, and household projects. Engineered for efficiency, KwikWeld sets in just 6 minutes and achieves a full cure in 4 to 6 hours, allowing technicians and DIYers to complete repairs and return equipment to service within the same day.

Once fully cured, this steel-reinforced cold weld transforms into a durable, dark grey material that rivals the strength of metal. With a tensile strength of 3,127 PSI and the ability to withstand temperatures up to 300°F, it bonds permanently to difficult surfaces including metal, concrete, fiberglass, and rigid plastics. Its versatility extends beyond bonding; the cured material can be drilled, tapped, filed, sanded, and painted, making it an indispensable tool for fabricating parts or rebuilding worn surfaces.

Key Features

  • Professional Capacity: Large 10 oz kit (5 oz Resin + 5 oz Hardener) designed for big jobs and frequent use.
  • Fast Setting: Sets in 6 minutes and cures fully in 4-6 hours for quick turnaround.
  • High Tensile Strength: Steel-reinforced formula delivers a tensile strength of 3,127 PSI.
  • Machinable Finish: Can be drilled, tapped, sanded, filed, and painted once cured.
  • Temperature Resistant: Withstands temperatures up to 300°F (149°C).
  • Multi-Surface Bonding: Adheres to Metal, Bronze, Ceramic, Concrete, Copper, Fiberglass, Glass, Iron, and Wood.

What's Included

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

Specifications

Brand J-B Weld
Model Number 8271
Total Volume 10 fl oz
Tensile Strength 3,127 PSI
Shear Strength 2,424 PSI
Set Time 6 Minutes
Cure Time 4 to 6 Hours
Max Temp Range Up to 300°F
Cured Color Dark Gray
Mix Ratio 1:1
Application Temperature Up to 120°F
Container Type Tube
Pro-Tip: Surface preparation is the most critical step for a permanent bond. Before applying KwikWeld, ensure the repair area is completely free of oil, grease, and paint. For best results, roughen the surface with coarse sandpaper or a file to create a "mechanical lock" that allows the epoxy to grip into the material.
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: 75465026069

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4.2 ★★★★★
Based on 175 reviews
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Product Reviews
P
Verified Purchase
Peter Schott
Chelsea, US
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
S
Verified Purchase
Steve M.
Natrona Heights, US
★★★★★ 5
Works well. You need to drill a 3/8” hole
Appears to be well made, alignment bar slides in nicely. As stated, you need to drill a hole in the bar for the gimble bearing driver, the directions are not clear, what I did was before I take out the old gimble bearing, put an O ring on the bar close to the last step on the bar, slide the bar all the way in, then carefully slide the bar out, this marks the distance from the back of the gimble bearing to where the shaft on the outdrive bottoms out, move the O ring a 1/4” towards the stepped part of the alignment tool (this is so you won’t bottom out the alignment tool when driving the gimble bearing in) then slide the driver puck up to the O ring and use a 3/8” diameter transfer punch through the side hole in the puck to mark the bar. You need to drill a 3/8” diameter hole in the alignment bar, two V blocks, some clamps, and a drill press will make drilling much easier, after the bar is securely mounted and centered in the drill press, use a center drill, then 1/4” drill first, using plenty of oil, drill all the way through, then use the 3/8” drill, deburr both sides and you should be good to go. People complain that it doesn’t come pre-drilled, the reason is that not all out drives are the same so you have to fit it to the outdrive that you have. Fortunately, I have a machine shop at my house and have a jig setup with various drill bushings, but the method I described above should work for you. Just make sure you’re perfectly centered and secure before you start drilling.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
N
Verified Purchase
Nancy filippi
Fort Morgan, US
★★★★★ 5
A must pull your gimbal bearing
You do need to drill a hole but worked perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
R
Verified Purchase
rich911s
Alexandria, US
★★★★★ 5
Worked for Volvo Penta SX Gimbal Bearing
Very heavy tool, I was surprised. Pulled my bearing like it was nothing. Putting the new bearing in was a little more difficult as you have to drill a hole in the engine alignment shaft where it will work for your particular outdrive. Not hard, but it does not come pre-drilled as the required depth for each particular gimbal bearing differs by manufacturer and model. Measure your bearing placement before removal and check that it was installed correctly in the first place. The bearing should line up with the grease fitting and the o-rings on the drive shaft should end up riding in the middle of the bearing. once you have your measurement drill the hole, I used a drill press. I suppose you could use it on multiple outdrive models as long as you can drill more holes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2023
G
Verified Purchase
Greg
Boise, US
★★★★★ 5
Great value
This kit worked perfectly on my Alpha one mercury outdrive. I saw a lot of people mention that it was a hassle to drill the hole when you better have all this alignment stuff. I threw it in use my regular drill drill guide and then the second hole was lined up. Pulling Gimble be very easy. I did have to adjust it up at an angle because my bearing was sitting in their crooked and it came out the second time I made the adjustment to the angle. I would highly recommend this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2024

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