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 WeldJb 37901 Extremeheat High Temperature Resistant Metallic Paste-3 Oz

J-B WeldJb 37901 Extremeheat High Temperature Resistant Metallic Paste-3 Oz

Product ID: 255332846

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Details

Brand
J-B Weld
Specific uses for product
Bonding
Material
Epoxy or
Item form
Paste
Special features
Heat Resistant

🔥Withstands up to 1000°F / 537°C

♻️Non-flammable & VOC-free formula

🛠️Permanent bond stronger than steel

Description

🔥 Fix it once, fix it forever — the ultimate heatproof metal miracle!

STEEL STRONG BOND - Creates a permanent, steel-strong weld without the need for torches or heat.
ECO CONSCIOUS SAFE - Non-flammable and free from solvents and VOCs, ensuring safer use and peace of mind.
VERSATILE METAL REPAIR - Ideal for fixing exhausts, grills, furnaces, and more—your all-in-one metal savior.
EXTREME HEAT RESISTANCE - Engineered to endure scorching temperatures up to 1000°F, perfect for high-heat repairs.
USER FRIENDLY APPLICATION - Cold weld formula that’s easy to apply, drill, machine, or sand once cured.

J-B Weld ExtremeHeat is a 3 oz metallic paste designed for high-temperature metal repairs up to 1000°F (537°C). It forms a permanent, steel-strong bond without flames or solvents, making it perfect for exhausts, grills, and furnaces. Once cured, it can be drilled or sanded, offering versatile, durable, and safe repair solutions for professionals and DIYers alike.

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