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

Sale price$14.66 Regular price$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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4.0 ★★★★★
Based on 106 reviews
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A
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Andrew B
Massapequa, US
★★★★★ 5
Nice shirt, could be more "slim fit" in LG size...
Fit Type: Slim Fit, Color: White, Size: X-Large
This is a very nice shirt, good quality, reasonable cost. I am 6'-3", 190 lbs. ,33" waist, 44 chest, a slim (not so young anymore) athletic build:) The Medium size was a good chest & waist fit for a slim fit look, but the arms were too short. I had to go with a Large size for the sleeve length. With the Large size, the chest is good, but the waist is a too loose for me to be a "slim fit". I am keeping the shirt anyway, it's very comfortable with soft & thick material.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2023
J
Verified Purchase
James L. Grandstaff
Natrona Heights, US
★★★★★ 5
Worked well first try
Fit Type: Slim Fit, Color: Grey, Size: X-Large
Very nice. Satisfied
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
K
Verified Purchase
Ken
Natrona Heights, US
★★★★★ 4
Great price with good quality - Just be prepared to iron it.
Fit Type: Slim Fit, Color: Grey, Size: X-Large
Nice shirt, especially for the price. You will need to iron it to get the wrinkles out, as I have a professional steamer, and it still looks unfinished even when using it. If you iron and starch it, it will look very nice, and it does not wrinkle as badly as I thought it would. The fit is perfect, and the softness, color, and feel are nice as well. This shirt can go from casual to dress right out of the closet (ironed, of course).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026
J
Verified Purchase
J.J. Caro
Los Angeles, US
★★★★★ 5
Nice long sleeve Oxford shirt
Fit Type: Slim Fit, Color: White, Size: Medium
Exactly what I expected plus fast delivery. Amazon essentials offer great value for the price. Note: I wish #Amazon would give points for reviewing items as an incentive just as #AliExpress does.
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Reviewed in the United States on May 3, 2026
K
Verified Purchase
K K Kaumanua
Grantham, US
★★★★★ 5
Count on shrinkage when choosing your size.
Fit Type: Slim Fit, Color: White, Size: X-Large
I bought this shirt earlier and got an XL. It came and it fit perfectly. Couldn't believe it, but then I wondered what it would look like after one washing. It shrank. Not so bad that I couldn't wear it, but it no longer looked "perfect" and I I don't dare put on 5 pounds. But I liked the shirt overall, so I went back and ordered another, this time an XXL. It came, I tried it on and while it worked, it was slightly larger than I wanted. Instead of returning it, I washed it, and like the first, it shrunk, but it shrunk to a size that looked good and was comfortable. Lesson: you might want to go one size larger than you would ordinarily get, wear it to see how it fits, and if it seems too large, wash it and see if it makes a difference. The first shirt I would give 4 stars because shrinkage took away from it, but I'd give the second 5 stars because even more so after washing, the fit was very nice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2025

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