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

493994₫

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Description

🔥 Fix it once, fix it extreme. The heat’s on, and so are you.

STEEL STRONG BOND - Creates a permanent, non-flammable bond that’s tougher than steel itself—ditch the torch welding anxiety.
WATERPROOF VOC FREE - Eco-conscious and durable—no solvents, no volatile organic compounds, and fully waterproof for lasting reliability.
EXTREME HEAT ENDURANCE - Engineered to perform flawlessly in scorching environments up to 1000°F, making it your go-to for high-temp repairs.
PRECISION FINISH READY - Once cured, drill, machine, or sand it to perfection for seamless, professional-grade results.
VERSATILE METAL COMPATIBILITY - Perfectly formulated for iron, steel, alloy steel, and aluminum repairs—one paste, endless fixes.

J-B Weld 37901 ExtremeHeat is a 3 oz metallic paste designed for high-temperature repairs up to 1000°F (537°C). It forms a permanent, steel-strong bond without solvents or VOCs, cures fully in 24 hours, and can be drilled or machined post-cure. Ideal for repairing iron, steel, and alloy metals in extreme heat environments such as exhaust manifolds, grills, and furnaces, this waterproof paste offers professional-grade durability and versatility.

Specifications

ASIN	B01IBOBY74
Best Sellers Rank	#1,177 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 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 (12,228)
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	0.19 Pounds
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	3.0 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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493994₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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