Can I use this to repair a stove burner grate? I dropped it and the pieces need to glued together. Thanks

No, this will not provide any type of structural support. This is a filler, we also do not recommend any of our products to be in direct flame. Thank you, J-B Weld Support

This is not waterproof. Left open to water/rain, this product will completely dissolve.

Can this be used to"glue 2 pieces of metal together?

No. As per the manufacturer, it is "for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters." It is NOT designed to bond two separate pieces together.

Can i use this on an engine block steipped bolt hole?

I assume you meant "stripped". Is it one of the head bolt holes or another hole for mounting something else? If it is a head bolt hole, I'd use a heli-coil instead. JB Weld isn't very structural in strength. It's good in compression, but not sure about tension, torsion, or shear forces. In one of the questions, a JB Weld Support rep said "No, this will not provide any type of structural support", so I'd go with heli-coil instead. That will also keep the bolt hole centered closer to where it is now. With JB Weld the hole may end up in a slightly different location which would probably not be good.

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J-B Weld ExtremeHeat

Product ID: 31857662

Details

Brand
J-B Weld
Item Form
Paste
Material
Metal Aluminum
Special Feature
Heat Resistant
Specific Uses For Product
['Repair'

⏳Full cure in 24 hours

🔥Withstands up to 1000°F / 537°C

🛠️Permanent bond stronger than steel

$U753

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Description

🔥 Fix it once, fix it forever — the cold weld revolution! 🛠️

ECO SAFE FORMULA - No solvents or VOCs—safe for you and the environment while delivering industrial strength.
PRECISION FINISH - Once cured, can be drilled, machined, or sanded for a seamless, professional-grade repair.
STEEL STRONG BOND - Creates a permanent, non-flammable bond that outperforms traditional welding—no torch required.
EXTREME HEAT ENDURANCE - Engineered to perform flawlessly in scorching environments up to 1000°F, making it your go-to for high-temp repairs.
VERSATILE METAL REPAIR - Perfect for fixing exhausts, grills, furnaces, and more—turn any metal mishap into a lasting solution.

J-B Weld 37901 ExtremeHeat is a 3 oz metallic paste designed for high-temperature metal repairs up to 1000°F. It forms a permanent, steel-strong bond without the need for heat or solvents, cures fully in 24 hours, and can be machined or sanded for a flawless finish. Ideal for professionals and DIYers tackling exhausts, grills, and industrial equipment, it combines industrial strength with eco-friendly safety.

Specifications

ASIN	B01IBOBY74
Best Sellers Rank	#1,128 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Industrial Lubricants
Brand Name	J-B Weld
Color	Grey
Compatible Material	Alloy Steel, Iron
Container Type	Tube
Customer Reviews	4.2 4.2 out of 5 stars (12,391)
Full Cure Time	24 hours
Global Trade Identification Number	00043425379016
Included Components	Metallic Paste Repair Bottle 3 oz.
Item Form	Paste
Item Package Quantity	1
Item Type Name	ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz
Item Weight	3.04 ounces
Manufacturer	JBWeld
Material Type	Metal, Aluminum
Model	37901
Number of Pieces	1
Other Special Features of the Product	Heat Resistant
Part Number	37901UK
Specific Uses For Product	['Repair', 'High Temperature Environments']
UPC	043425379016
Unit Count	3 Ounce
Viscosity Level	High
Volume	3 fluid ounces
Warranty Description	No Warranty
Water Resistance Level	Waterproof

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$U753

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Uruguay.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

1 week ago

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Received my product in pristine condition. Great service overall.

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