Will it transmit a 12volt current between to 2 metals

I could not recommend this for that usage.

Will this repair a Hairline crack on an aluminium boat?

I don't see why not , it worked on a small crack in the sump of my car and that was 2 years ago . Just a small tip, work it through your fingers until soft with gloves also it will cure faster if you apply heat on it after applying to crack eg hair dryer.

Can this be used to repair an enlarged bolt hole of a mitre clamp?

Well just used it to seal an oil sump temp, worked fine, also fixed my exaust with it. You must prep before to work properly and work it through your fingers before applying works great if used correctly.

A petrol tank does hole, so, is it good for filled metal tank's hole?

Difficult answer .If the metal it is to stick to is very clean and a big enough patch was made to stick over the area,Making sure it goes into the hole as well, possibly .Though difficult if petrol is leaking through .

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J-B Steel Stik Reinforced Epoxy Putty

Product ID: 47937039

Details

Brand
J-B Weld
Item form
Paste
Material
Epoxy Resin
Special feature
High Strength
Specific uses for product
metal

🔥Withstands up to 148ºC (300ºF)

⏱️5 min set time, 60 min full cure

⚙️900 PSI tensile strength

$47.37

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Fix it fast, fix it strong — the steel stick that means business.

RAPID SET CURE - Sets in just 5 minutes and fully cures in 1 hour—get back to work faster.
HEAT WATER RESISTANT - Durable under extreme conditions up to 148ºC and water exposure.
VERSATILE METAL REPAIR - Mold, drill, tap, machine, grind, or paint after curing for seamless fixes.
TRUSTED BY PROS DI YERS - Highly rated with 4.4 stars from over 1,200 users—join the repair revolution.
INDUSTRIAL GRADE STRENGTH - Reinforced epoxy putty with 900 PSI tensile power for metal repairs that last.

J-B Steel Stik Reinforced Epoxy Putty is a high-strength, steel-reinforced epoxy paste designed for quick and durable metal repairs. It sets in 5 minutes and fully cures in 1 hour, achieving a tensile strength of 900 PSI and withstanding temperatures up to 148ºC. Once cured, it can be drilled, machined, and painted, making it ideal for professional-grade fixes on metal surfaces.

Specifications

ASIN	B000786GLM
Best Sellers Rank	236,210 in Automotive ( See Top 100 in Automotive ) 949 in Fillers, Adhesives & Sealants
Brand	J-B Weld
Colour	Dark Gray
Compatible Material	Metal
Container Type	Tube
Customer Reviews	4.4 4.4 out of 5 stars (1,266)
Full Cure Time	60 Minutes
Global Trade Identification Number	00043425826756
Item Form	Paste
Item Package Quantity	1
Item Volume	2 Fluid Ounces
Item Weight	1.8 Ounces
Manufacturer	J-B Weld
Manufacturer Part Number	8267-S
Material	Epoxy Resin
Model Number	8267
Number of Pieces	1
Other Special Features of the Product	High Strength
Specific Uses For Product	metal
Tensile Strength	900 Pounds Per Square Inch
UPC	079340820067 043425826756 043425021007 718767917058
Unit Count	57.0 gram
Viscosity Level	High
Water Resistance Level	Water Resistant

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How is product pricing calculated?+

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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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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

1 day ago

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$47.37

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Best international shipping I've ever tried. Worth every penny!

3 days ago

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