--- product_id: 76207340 title: "J-B Weld 8281 Professional Size Steel Reinforced Epoxy - Hardener and Steel Pack - 10 oz" brand: "j-b weld" price: "¥6547" currency: JPY in_stock: true reviews_count: 13 url: https://www.desertcart.jp/products/76207340-j-b-weld-8281-professional-size-steel-reinforced-epoxy-hardener store_origin: JP region: Japan --- # Sets in 4-6 hours, cures in 15-24 hours Withstands up to 550°F 5020 PSI tensile strength J-B Weld 8281 Professional Size Steel Reinforced Epoxy - Hardener and Steel Pack - 10 oz **Brand:** j-b weld **Price:** ¥6547 **Availability:** ✅ In Stock ## Summary > 🛠️ Fix it once, fix it like a pro with J-B Weld! ## Quick Answers - **What is this?** J-B Weld 8281 Professional Size Steel Reinforced Epoxy - Hardener and Steel Pack - 10 oz by j-b weld - **How much does it cost?** ¥6547 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/76207340-j-b-weld-8281-professional-size-steel-reinforced-epoxy-hardener) ## Best For - j-b weld enthusiasts ## Why This Product - Trusted j-b weld brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fast-Track Your Fix:** Sets in just 4-6 hours so you can get back to your projects without the wait. - • **Heat-Resistant Hero:** Handles extreme temperatures up to 550°F, perfect for automotive and industrial use. - • **DIY Confidence Booster:** Shape, sand, drill, and mold after curing—professional results without the pro price. - • **Unbreakable Bond, Every Time:** Steel-reinforced epoxy delivers a bond stronger than steel for lasting repairs. - • **Versatility Meets Durability:** Works seamlessly on metal, plastic, wood, concrete, ceramic, and fiberglass. ## Overview J-B Weld 8281 Professional Size Steel Reinforced Epoxy is a high-strength, two-part epoxy system that creates a permanent bond stronger than steel. It sets in 4-6 hours and fully cures within 15-24 hours, withstanding temperatures up to 550°F. Waterproof and chemical resistant, it’s ideal for repairing metal, plastic, wood, concrete, and more—making it the go-to solution for durable, professional-grade repairs. ## 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. ## Features - J-B WELD ORIGINAL PRO SIZE: Professional 5 OZ Tubes of the Original Cold Weld two-part epoxy system that was designed as an alternative to torch welding. J-B Weld Original provides strong, lasting repairs to multiple surfaces and creates a bond stronger than steel. Perfect for DIY household, automotive, marine, craft repair and much more. - CURE AND SET TIME: After mixing the tubes at a 1:1 ratio, it takes 4-6 hours to set and 15-24 hours to cure. Once cured J-B Weld Original can be tapped, filled, sanded, molded and drilled. J-B Weld Original set and cure color is dark grey. - VERSATILE AND DEPENDABLE: J-B Weld Original is steel reinforced, has a tensile strength of 5020 PSI and can withstand temperatures up to 550 degrees Fahrenheit (287 degrees Celsius. When fully cured, J-B Weld Original is waterproof and resistant to petroleum, chemical and acid. - SURFACE APPLICATIONS: Metal, Plastic & PVC, Wood, Concrete, Ceramic & Tile and Fiberglass. - DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B014OVHAOY | | Best Sellers Rank | #640 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #6 in Epoxy Adhesives | | Brand Name | J-B Weld | | Color | Grey | | Compatible Material | Ceramic, Metal, Plastic, Polyvinyl Chloride, Steel, Wood, Fiberglass, Brick, Concrete | | Container Type | Tube | | Customer Reviews | 4.8 4.8 out of 5 stars (9,960) 4.8 out of 5 stars | | Full Cure Time | 15 hours | | Global Trade Identification Number | 00043425082817 | | Included Components | J-B Weld - 8281 | | Item Form | Paste | | Item Package Quantity | 1 | | Item Type Name | J-B Weld - 8281 | | Item Weight | 3.2 ounces | | Manufacturer | J-B Weld Store | | Material Type | Epoxy | | Model | 8281 | | Number Of Pieces | 1 | | Other Special Features Of The Product | Color Glue, Strong, Waterproof | | Part Number | J-B Weld - 8281 | | Specific Uses For Product | Craft | | Tensile Strength | 5020 psi | | Unit Count | 10 Ounce | | Upc | 043425082817 | | Viscosity Level | High | | Volume | 295.74 ml | | Warranty Description | Call vendor for warranty | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** J-B Weld - **Item Form:** Paste - **Material:** Epoxy - **Special Feature:** Color Glue, Strong, Waterproof - **Specific Uses For Product:** Craft ## Images ![J-B Weld 8281 Professional Size Steel Reinforced Epoxy - Hardener and Steel Pack - 10 oz - Image 1](https://m.media-amazon.com/images/I/81i4FJ7OkNL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Will it work for a stripped-off bolt hole in the engine where the joint/intermediate shaft attaches to the engine- passenger side CV axle?** A: SURFACE APPLICATIONS: Metal, Plastic & PVC, Wood, Concrete, Ceramic & Tile and Fiberglass. **Q: can i use it to attach aluminum on plastic?** A: Only if it is a PVC or ABS plastic. It will not adhere to polypropylene or polyethylene plastics. **Q: Could this be used to fix a small (1 x 1/4 inch) crack in a dryer drum? Is there danger it will come off on the clothes?** A: When I have had questions about JB Weld products I have called JB Weld & they have answered with good information. Your problem is special because of the temperature that the drum attains. Ask JB Weld. **Q: can this product be used to reinforce a rusted iron pipe joint next to a bleeder in a home hot water boiler heating syst. I can not find a replacement** A: If you can get a good clean surface it might provide some reinforcement but would likely fail if under pressure. I use it inside motors and it is very durable. ## Customer Reviews ### ⭐⭐⭐⭐⭐ The original cold weld that never quits *by on Reviewed in the United States May 1, 2026* Fixing anything is basically doable with JB weld. This is your new best friend, or old friend in my case. I used it a lot in the past, and I always come back to it for any work around the house. Super glue is fine and all that, but this is the real deal. It’s called weld for a reason: it’s tough, reliable, and practically indestructible once it fully cures.Pros:1- Massive value for big jobs: this is perfect for large-scale projects where those tiny standard tubes just won't cut it. You get enough volume to handle multiple repairs without worrying about running out mid-mix.2- Industrial strength: once fully cured, it boasts a tensile strength of 5,020 PSI. It’s essentially "liquid steel" that you can drill, tap, file, and sand just like the metal it’s repairing.3- High temperature tolerance: it can withstand constant temperatures up 287°C, making it ideal for automotive or plumbing repairs that see significant heat.4- Universal versatility: while it’s famous for metal-to-metal bonding, it works incredibly well on wood, plastic, tile, PVC, and fiberglass.Overall, this is the gold standard for heavy-duty epoxy. It’s industrial-strength, easy to mix, and consistently delivers a permanent bond. If you want a repair that’s "fixed for good," this is the stuff you want in your toolbox. ### ⭐⭐⭐⭐⭐ Great great item *by on Reviewed in the United States June 27, 2026* Super great item. Very strong. Worked perfect ### ⭐⭐⭐⭐⭐ j-b weld *by on Reviewed in the United States June 22, 2026* great product had a broken concrete bowl from an old bird bath applied j-b weld as per instructions and in 24 hours the birds were splashing around, also used to fix a garden cultivator that was loose in the handle, used outdoors so no odor noted was easy to mix, recommend and would buy again ## Frequently Bought Together - J-B Weld 8281 Professional Size Steel Reinforced Epoxy - Hardener and Steel Pack - 10 oz - J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick - 2 oz. - J-B Weld 8276 KwikWeld Quick Setting Steel Reinforced Epoxy - Dark Grey 2 oz --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/76207340-j-b-weld-8281-professional-size-steel-reinforced-epoxy-hardener](https://www.desertcart.jp/products/76207340-j-b-weld-8281-professional-size-steel-reinforced-epoxy-hardener) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-31*