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Kroil Original Penetrating Oil (Aerosol Spray-16.5oz Can-Single) | Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts | Rust, Corrosion Inhibitor (KS162)

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4.8 3,109 ratings

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$33.00 with 6 percent savings $2.00 per Ounce

Typical price: $35.19

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Purchase options and add-ons

Material	Metal
Brand	KROIL
Package Information	Bottle
Liquid Volume	16.5 Fluid Ounces
Item Weight	16.5 Ounces

About this item

✔️ TRUSTED NAME IN PENETRATING OILS –Kroil Original Penetrating Oil (formerly Aerokroil) from Kano Laboratories has a strong reputation among professionals as the trusted penetrating oil for any industry. When you need a penetrant that will get the job done fast and easy the first time, go with Kroil.
✔️ PENETRATES FASTER AND DEEPER – Tight spaces are no problem for Kroil. It penetrates small openings, threads and crevices. So, whether you’re dealing with seized bolts, dirt bike motorcycle chains, rusty old door hinges, or stubborn garage door rollers, Kroil isn’t afraid to get in tight spots and get dirty.
✔️ SIMPLIFIES REPAIRS, MAGNIFIES MUSCLE – When tackling the toughest nuts and bolts, any additional leverage helps. Kroil loosens tough rusted parts fast, and requires less torque to loosen seized nuts and bolts. Now that’s leverage!
✔️ ATTACKS CORROSION, REMOVES RUST AND CARBON DEPOSITS – Corrosion meets its match, as Kroil removes and prevents rust, cleans carbon deposits and penetrates rusty parts. Kroil also displaces moisture, humidity and salt water, which makes it perfect for wet, humid environments.
✔️ ATTACKS CORROSION, REMOVES RUST AND CARBON DEPOSITS – Corrosion meets its match, as Kroil removes and prevents rust, cleans carbon deposits and penetrates rusty parts. Kroil also displaces moisture, humidity and salt water, which makes it perfect for wet, humid environments.

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Kroil Original Penetrating Oil (Aerosol Spray-16.5oz Can-Single) | Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving

$35.96 ($2.18/Ounce)

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Kroil Original Penetrating Oil (Drip-8oz Can-Single) | Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts | Rust

$21.20 ($2.65/Fl Oz)

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Kroil Original Penetrating Oil with SprayTech 360° Nozzle & Straw (Aerosol Spray-13oz Can-Single) | Every Drop, Every Angle,

$34.99 ($2.69/Ounce)

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WARNING: California’s Proposition 65

From the brand

Kano Kroil

A full line of Penetrants, Degreasers, Industrial Lubricants, and Rust Solutions.

The Kroil Difference

Kroil loosens seized nuts and bolts quickly with less torque, and penetrates even the smallest openings, threads or crevices. Now that’s leverage!

Since 1939

Trusted since 1939 with a single goal: produce the best penetrants on the market. A lot has changed, but Kroil remains the most powerful industry-leading penatrating oil.

Trusted By Professionals

Kroil is trusted as a high-performing penetrant by the biggest names in many industries. When they've got a job to do, professionals choose Kroil.
Founded in Chicago, IL - 1939

Headquartered today in Nashville, TN, USA, we take pride in employing American workers to produce quality products right here at home.
Penetrating Oils

Visit the Store
Fuel Treatments and Degreasers

Visit the Store
Rust Solutions

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Industrial Lubricants

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Product Description

garage door lubricant spray, bolt buster, door hinge lubricant, penetrating oil, chain lube spray

penetrating oil spray, industrial lubricants, freeze off penetrant, rust loosener

free all, ballistol, white lithium grease, anti seize thread lubricant, liquid wrench

Gets in Tight Spaces

Kroil penetrating lubricants penetrate tight spaces and small openings to loosen stuck threads.

Penetrates Quickly
Attacks Corrosion
Helps Remove Rust and Carbon Deposits
Simplifies Repairs

Industrial Strength Penetrating Oil

Quickly Loosens Rusted Nuts and Bolts

Loosen frozen metal parts the professional way, with Kroil Original Penetrant in liquid and aerosol (formerly AeroKroil) formulas. Discover why Kroil has been trusted to help loosen bolts in various applications since 1939.

Rusted Bolts
Rusted Metal
Bike Chains
Motorcycle Chains
Garage Door Rollers
Door Hinges
Moving Parts


Quickly Penetrates Threads and Crevices Tight spaces are no problem, because Kroil penetrates threads or crevices to break down rust and unstick seized bolts. So, whether you’re lubricating dirt bike motorcycle chains, rusty old door hinges, or stubborn garage door rollers, Kroil isn’t afraid to get in tight spots and get dirty.	Magnifies Muscle When tackling the toughest nuts and bolts, any additional leverage helps. Kroil loosens tough rusted parts quickly, requiring less torque to loosen. Now that’s leverage!	Attacks Corrosion Corrosion meets its match, as Kroil removes and prevents rust, cleans carbon deposits and lubricates rusty parts.	Breaks Down Carbon Deposits Kroil not only breaks down rust, but also carbon deposits and other buildup that can seize metal parts.

made in usa, made in America, us manufacturing, Nashville, chicago, american made


	Kroil Original Penetrating Oil	Kroil Penetrant with Silicone	Kroil Penetrant with Graphite	Microil Precision Drip Oil Lubricant	Pyrolube High Temperature Lubricating Grease	Pyrolube High Temperature Lubricating Oil
			See Details
Customer Reviews	3,089	1,323	5	30	—	—
Price	$25.99	$33.98	—	$26.34	$369.99	$369.99
Unique Feature	Industry Leading Formula	Silicone for Superior Penetration	Graphite for Long-Lasting Lubrication	Drip Oil for Precision Instruments	Lubricating Grease for High-Temps	Lubricating Oil for High-Temps
Penetrating Oil	✓	✓	✓
Industrial Lubricant				✓	✓	✓

Product information

Technical Details

Material

‎Metal

Brand

‎KROIL

Package Information

‎Bottle

Liquid Volume

‎16.5 Fluid Ounces

Item Weight

‎16.5 Ounces

Recommended Uses For Product

‎Mechanical

Flash Point

‎51 Degrees Celsius

Item Form

‎Aerosol,Oil

Manufacturer

‎Kano Laboratories, LLC

Model

‎FBA_AeroKroil 16.5

Item Weight

‎1.03 pounds

Product Dimensions

‎4 x 4 x 10 inches

Item model number

‎FBA_AeroKroil 16.5

Is Discontinued By Manufacturer

‎No

Manufacturer Part Number

‎FBA_AeroKroil 16.5

National Stock Number

‎9150-00-905-1387

Additional Information

ASIN

B005ESIHZI

Customer Reviews

4.8 3,109 ratings

4.8 out of 5 stars

Best Sellers Rank

#2,905 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
#20 in Industrial Lubricants

Date First Available

February 2, 2010

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

Product Warranty: For warranty information about this product, please click here

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What's in the box

16.5oz Can

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	This Item Kroil Original Penetrating Oil (Aerosol Spray-16.5oz Can-Single) \| Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts \| Rust, Corrosion Inhibitor (KS162)	Recommendations Kroil Original Penetrating Oil (Aerosol Spray-10oz Can-Case of 12) \| Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts \| Rust, Corrosion Inhibitor (KS102C)	dummy Kroil Penetrating Oil with Silicone (Aerosol Spray-16.5oz Can-Case of 6) \| Penetrant for Rusted Bolts, Metal \| Lubricant for Hinges, Chains, Moving Parts (AZSK162C6)	dummy Kroil Original Penetrating Oil (Drip-8oz Can-Case of 4) \| Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts \| Rust, Corrosion Inhibitor (AZKL081C4)	dummy Kroil Penetrating Oil with Silicone (Aerosol Spray-10oz Can-Case of 4) \| Penetrant for Rusted Bolts, Metal \| Lubricant for Hinges, Chains, Moving Parts (AZSK102C4)	dummy Kroil Original Penetrating Oil (Aerosol Spray-10oz Can-Case of 6) \| Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts \| Rust, Corrosion Inhibitor (AZKS102C6)
	Try again! Details Added to Cart spCSRF_Control	Try again! Details Added to Cart spCSRF_Control	Try again! Details Added to Cart spCSRF_Control	Try again! Details Added to Cart spCSRF_Control	Try again! Details Added to Cart spCSRF_Control	Try again! Details Added to Cart spCSRF_Control
Price	$35.96	-12% $241.86 List: $274.80	$199.25	$65.52	$97.99	$136.44
Delivery	Get it as soon as Tuesday, May 28	Get it May 29 - Jun 4	Get it May 30 - Jun 7	Get it as soon as Thursday, May 30	Get it May 29 - Jun 4	Get it as soon as Tuesday, May 28
Customer Ratings	4.83,109	4.890	4.69	4.664	4.81,323	4.73,089
Easy to use	4.8	4.3	—	4.5	4.6	4.8
Easy to remove	4.6	4.6	—	4.5	4.7	4.6
Value for money	4.5	4.3	—	4.5	4.4	4.4
Scent	4.2	4.1	—	4.1	4.1	4.2
Sold By	Woodside Distributors	Aviation Depot	Pilots HQ LLC	Marketplace Pros	Aviation Depot	ADC Retails
liquid volume	16.5 fluid ounces	10 fluid ounces	—	8 fluid ounces	10 fluid ounces	10 fluid ounces
form	Aerosol,Oil	Aerosol,Oil	Aerosol,Oil	Oil	Aerosol,Oil	Oil
material	Metal	Metal	Silicone	—	Silicone	—
weight	16.5 ounces	10 ounces	8 pounds	2.5 pounds	2.5 pounds	10 ounces

Looking for specific info?

Customer reviews

4.8 out of 5

3,109 global ratings

2 star

How customer reviews and ratings work

Customers say

Customers like the smell, adhesion, performance, and corrosion prevention of the machine lubricant. For example, they mention it works great at penetrating, lubrating and loosening stuck parts. That said, opinions are mixed on value.

AI-generated from the text of customer reviews

132 customers mention132 positive0 negative

Customers are satisfied with the quality of the machine lubricant. They mention that it works longer than WD40 on outside conditions, is the best product they've ever used, and is the absolute magic on the market. They also appreciate the pleasing scent that makes working with it livable and tolerable. Customers also say that the product is particularly useful when dissimilar metals interact and corrode one another.

"...Just great to have handy." Read more

"We have been using this for many years in our auto shop. It is very helpful when we come across rusty suspension, brakes, etc...." Read more

"I used this in nuclear facilities. They don’t accept much, and no junk." Read more

"...does the same, but it actually has a pleasing scent that makes working with it livable and tolerable vs. the others...." Read more

128 customers mention117 positive11 negative

Customers are satisfied with the performance of the lubricant. They mention that it works well at penetrating, lubrating and loosening stuck parts.

"...It is not cheap but with works amazingly. We used it to spray on and into an rusted up shotgun and could not be opened...." Read more

"...FYI SiliKroil is Kroil plus silicone and works great for applications where the oiled parts will be exposed to water such as the carrier slides on..." Read more

"...This product works so well that you don't need to use a lot. Just great to have handy." Read more

"Kroil has been around many years and for good reason it is highly effective.I enjoy working on older cars and trucks...." Read more

78 customers mention78 positive0 negative

Customers like the machine lubricant. They say it's the best penetrating oil they've ever used, and it helps free up seized parts. They also say it does penetrate and does not rust like some other brands.

"...to the product at hand, AeroKroil (Kroil), it is simply the finest penetrating oil I know of and if you try it it will become your preferred oil..." Read more

"This is probably the best penetrating oil I have ever used. We used to have this at work until they decided they switched to all food grade products...." Read more

"Best penetrating oil I have used" Read more

"Except for the smell this is a great penetrating oil for anything that's stuck" Read more

44 customers mention34 positive10 negative

Customers like the corrosion prevention of the lubricant. They say it works awesome on busting rusted nuts off bolts, and is the best tool for loosening corroded parts. It penetrates and does not rust like some other brands.

"Works great. Easy to use removes rust on bolts so you can remove easily." Read more

"Great corrosion prevention and cleaning and protection." Read more

"...the quality of the penetrating oil, because it does seem to loosen up rusted nuts and bolts better than other brands." Read more

"...Latest project, notice Proportional Valve (Brakes) was leaking on my 86 F250. It is bolted to a plate that is bolted to the frame...." Read more

20 customers mention14 positive6 negative

Customers like the smell of the machine lubricant.

"This works better than most other rust loosening products. It has a pleasant smell as well vs competition" Read more

"...I love the smell to boot! Don’t let it sit on paint, and keep it out of your eyes." Read more

"...This product does have an odor though it's not any worse than say the WD- product. We will see how it works on rusted parts." Read more

"...Kroil on the other hand? It does the same, but it actually has a pleasing scent that makes working with it livable and tolerable vs. the..." Read more

18 customers mention13 positive5 negative

Customers like the fit of the machine lubricant. They mention that it breaks anything loose, and is good for cleaning guns and lubing tough spots. They also say that it helps break threads loose and free up stuck parts.

"...No manifold studs broke but the smaller secondary air pipe studs did which I expected...." Read more

"...Could not believe they came loose so easily. This was my first time using Kroil, worth every penny." Read more

"...I used Kroil everyday for a few days prior to removal. All manifold bolts came out and you could see where Kroil creeped up the threads...." Read more

"Work great at penetrating, lubricating and loosening stuck parts." Read more

12 customers mention12 positive0 negative

Customers are satisfied with the adhesion of the lubricant. They mention that it is excellent at loosening seized parts, removes rust like no other, and works to loosen nuts and other hardware. It penetrates and loosens up parts when nothing else will. Some customers also say that it works great for freeing up shifting cable.

"Works to loosen nuts." Read more

"...It will penetrate and loosen up parts when nothing else will...." Read more

"...It will loosen anything. Some things need time but it will work. Throw your WD 40 away. Use sparingly, it doesn't take much." Read more

"...Plus, it cleans and polished metal real nice, removes adhesives better than anything else...." Read more

109 customers mention53 positive56 negative

Customers have mixed opinions about the value of the machine lubricant. Some say it's worth every penny, while others say it’s expensive.

"...Makes are job easier and saves the customer so much money. Highly recommended...." Read more

"...It is not cheap but with works amazingly. We used it to spray on and into an rusted up shotgun and could not be opened...." Read more

"...This was my first time using Kroil, worth every penny." Read more

"...Con; It is expensive however a value because it really works." Read more

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Carl Rackley

Amazing product

Reviewed in the United States on March 22, 2024

Verified Purchase

We bought this after extensive online research for the best possible penetrating oil. It is not cheap but with works amazingly. We used it to spray on and into an rusted up shotgun and could not be opened. After several treatments the shotgun is now cleaned and operational. Money well spent.

Helpful

AmazonCustomer

Great product , works well

Reviewed in the United States on May 11, 2024

Verified Purchase

This works better than most other rust loosening products. It has a pleasant smell as well vs competition

Helpful

Robert Thanepohn

This is the absolute best penetrating oil on the market! Can’t say enough good about it!

Reviewed in the United States on April 30, 2023

Verified Purchase

Aerokroil, or Kroil, is 100% the best penetrating oil, there is no comparison! We’ve all used WD, and it has uses, and many of us have used and loved PB, but Kroil is in another class all together! First time I used it was when trading in an old truck and I couldn’t unlock my hitch pin, even with PB (which I swore by at the time), the dealer grabbed his can and gave the locking hitch pin a couple quick shots and then said “give it a minute”. After a brief pause I tried my key again and it instantly turned like new! He gave me the can and related his experience with it and praise for it. Since that day, probably 7yrs ago, I’ve used AeroKroil (aerosol version) and a wide variety of tasks and have seen it seemingly work miracles! One example would be my use of it on dead bearings, I work on conveyors amd so deal with a lot of rollers which eventually freeze up from rust. I’ve had 100% dead rollers, ones that I couldn’t turn even a little with a long pipe wrench, restored to absolutely free spin with application of this penetrating oil. I just spray a bit on the end by the earring and let it soak in for a bit then I give it a turn, there’s usually a millimeter of resistance but I’m able to easily further bearing past that and then I give them a good spin by hand and they are back to functioning perfectly!

Just this past week my father called and told me that the can I gave him fixed a neglected yard aerator that he borrowed from a neighbor. He said it had been unused for years and that when he got it the wheels with the tines were all frozen together as one (they are supposed to turn independently) and that the axle itself was hard to turn. He remembered the can I gave him and how good I said it was and decided to try it. Sprayed the wheels and the axle then let it soak for a while and then was easily able to break them loose from their rusted grave and that now this old weathered and unmaintained piece of equipment worked as good as new! He said he was impressed and was happy to not only be able to use it the aerator but also to give it back in vastly better condition than it was in when he borrowed it!

Cheaper oils have their place, but when something is absolutely stuck or rusted or even just noisy or not smooth enough what you need is Kroil! They made me a fan and I’ve regularly carry cans of AeroKroil along with some of their other products such SiliKroil and Penephite. FYI SiliKroil is Kroil plus silicone and works great for applications where the oiled parts will be exposed to water such as the carrier slides on the equipment I run. Penephite is Kroil and graphite, it’s great for things where you’d use graphite such as internal metal on metal parts that are not easily accessed and have no built in means of lubrication, it’s extremely useful for oiling locks and I use it on my houses exterior doors as well as automotive door locks. …back to the product at hand, AeroKroil (Kroil), it is simply the finest penetrating oil I know of and if you try it it will become your preferred oil whether it’s for use around the house or on multimillion dollar equipment!

20 people found this helpful

Helpful

LuckyMike

Amazing stuff!

Reviewed in the United States on May 18, 2024

Verified Purchase

This stuff is awesome! It has worked on the most rusted old bolts I have on my tractor. No way I would have gotten them off without this stuff. And it even smells good, like oranges instead of chemicals lol

Helpful

Casey Smith

Best American penetrating oil I've ever used

Reviewed in the United States on May 14, 2024

Verified Purchase

There is a better product out there, but it's made in Scotland so not that easy to get. This product works so well that you don't need to use a lot. Just great to have handy.

Helpful

Useless

This stuff is magic, and the last step before you break out the grinder or torch

Reviewed in the United States on May 16, 2024

Verified Purchase

It's not cheap, but it is really good. Spray it on, give it a night. If it doesn't come loose, you're screwed. Get a torch or a grinder, because it's seized. I always ensure I have some in the shop, and a little goes a long way.

Helpful

Smiley

great penitrent

Reviewed in the United States on May 6, 2024

Verified Purchase

This is probably the best penetrating oil I have ever used. We used to have this at work until they decided they switched to all food grade products. Nothing we use at work is nearly as good as this. But at least I can still use it at home.

Helpful

Patrick

Great penetrating oil

Reviewed in the United States on November 12, 2023

Verified Purchase

I Let it soak overnight on my v8 4runner exhaust bolts and exhaust manifolds to replace them. The truck had some surface rust on the exhaust from being in the carolinas for a little time. No manifold studs broke but the smaller secondary air pipe studs did which I expected. I would like to say it did just enough to help me get the manifold nuts loosened up without breaking them. I guess ill never know for sure but I am pleased with it for now.

2 people found this helpful

Helpful

Top reviews from other countries

1ocean1

Excellent product.

Reviewed in Canada on March 2, 2023

Verified Purchase

It worked very quickly and improved over time as it penetrated. It's expensive but worth the cost.

Les

great product

Reviewed in Canada on March 16, 2023

Verified Purchase

great product .does what it’s supposed to do.downfall is the price of it

Remi T

the best

Reviewed in Canada on October 2, 2022

Verified Purchase

You need something to brake loose your rusty bolts you choose the good product ,they use this on construction and I thing is the best product ahead of others

Jon Ho

Works

Reviewed in Canada on January 18, 2022

Verified Purchase

Product showed up early. Product as discribed. I have used it for years. Very expensive and worth it

dan gelinas

Best penetrate ever

Reviewed in Canada on July 5, 2022

Verified Purchase

It is one of the best

See more reviews

Kroil Original Penetrating Oil (Aerosol Spray-16.5oz Can-Single) | Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts | Rust, Corrosion Inhibitor (KS162)

Purchase options and add-ons

About this item

Frequently bought together

Videos for similar products

From the brand

Kano Kroil

The Kroil Difference

Since 1939

Trusted By Professionals

Founded in Chicago, IL - 1939

Penetrating Oils

Fuel Treatments and Degreasers

Rust Solutions

Industrial Lubricants

Product Description

Gets in Tight Spaces

Industrial Strength Penetrating Oil

Quickly Loosens Rusted Nuts and Bolts

Quickly Penetrates Threads and Crevices

Magnifies Muscle

Attacks Corrosion

Breaks Down Carbon Deposits

Product information

Technical Details

Additional Information

Warranty & Support

Feedback

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