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

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Adhesive Extremeheat, 3oz

Q: 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

Q: 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.

Q: 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.

Product ID: 85877701

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Details

Brand
J-B Weld
Item Form
Paste
Special Feature
Non Toxic
Colour
Gray
Item Package Quantity
1

💧Water resistant & non-flammable

🔥Withstands up to 1000°F / 537°C

🛠️Permanent bond stronger than steel

Frequently Bought Together

J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz

J-B Weld ExhaustWeld 2" x 72" Repair Wrap, White

J-B Weld High Heat Epoxy Syringe, Dark Grey

Description

🔥 Fix it like a pro, bond it for life!

DIY FRIENDLY - Easy to apply paste that drills, sands, and machines once cured—professional results at home.
ECO SAFE FORMULA - Non-toxic, solvent-free, and VOC-free for safer, cleaner repairs.
STEEL STRONG BOND - Creates a permanent, machinable bond tougher than steel itself—torch welding alternative.
VERSATILE METAL FIXER - Perfect for exhausts, grills, furnaces, and more—your go-to for high-temp metal repairs.
EXTREME HEAT RESISTANCE - Repairs metal in scorching environments up to 1000°F—no meltdown here!

J-B Weld Adhesive ExtremeHeat is a high-viscosity, non-toxic metallic paste designed for permanent repairs on iron, steel, and metal surfaces exposed to extreme temperatures up to 1000°F (537°C). It cures in 24 hours to form a water-resistant, machinable bond stronger than steel, ideal for automotive, industrial, and home applications requiring durable, heat-resistant fixes without toxic solvents.

Specifications

Brand	J-B Weld
Item Form	Paste
Special Feature	Non Toxic
Colour	Gray
Item Package Quantity	1
Package Information	Bottle
Item Volume	3 Fluid Ounces
Viscosity	High
Full Cure Time	24 Hours
Water Resistance Level	Water Resistant
Net Quantity	1 Count
Viscosity Level	High
UPC	043425379016 043425700285
Global Trade Identification Number	00043425379016
Manufacturer	J-B WELD CO LLC, P.O Box 483,Sulphur Springs,TX 75483, +1 903 885-7696, [email protected], j b weld company
Manufacturer	j b weld company
Country of Origin	USA
Model number	37901
Number of Memory Sticks	1
Item Weight	86.2 g
Product Dimensions	4 x 4 x 5.2 cm; 86.18 g
Item model number	37901
Item Height	5.2 Centimeters
Item Width	4 Centimeters
Included Components	1 Pack
Are batteries included?	No
Lithium battery voltage	0.1 Nanovolts

Have a Question? See What Others Asked

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

Is this waterproof?

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

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

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