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❄️ Unlock Rust’s Grip Before It Locks You Out!
CRC Knock'er Loose Plus is a 11.5 oz aerosol penetrating solvent featuring freeze-shock technology that rapidly contracts rusted metal to break bonds quickly. Its 50-state compliant, no-flame formula is ideal for safely loosening frozen bolts, fittings, and corrosion in industrial, automotive, and marine applications.
| ASIN | B0013IZS1O |
| Best Sellers Rank | #29,778 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #177 in Industrial Lubricants #588 in Oils |
| Brand | CRC |
| Brand Name | CRC |
| Compatible Material | Metal |
| Container Type | Can |
| Customer Reviews | 4.6 out of 5 stars 524 Reviews |
| Flash Point | 64 °C |
| Global Trade Identification Number | 00078254030272 |
| Included Components | Super Penetrant |
| Item Form | Spray |
| Item Type Name | Super Penetrant |
| Item Weight | 13.28 ounces |
| Liquid Volume | 11.5 fluid ounces |
| Manufacturer | CRC Industries |
| Material | Specialty compound |
| Model Number | 03027 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Package Information | Can |
| Part Number | 3027 |
| Recommended Uses For Product | Electrical |
| Specific Uses For Product | Prevent Corrosion |
| UPC | 078254030272 |
| Unit Count | 11.5 Ounce |
M**N
Great product, works well on rusted parts!
Great working product.
A**A
The best I've used so far at getting heavily rusted nuts/bolts apart
For $15 I was blown away at how well this stuff works. I needed to replace some exhaust parts on a nearly 20 year old car and the studs were completely rusted and looked like they would need to be cut out. I sprayed this on all of them and let it sit for a couple of hours before trying to remove them, fully expecting to break at least one of the studs off due to corrosion. Instead, when I came back a lot of the crusty looking rust was gone and after working the nuts back and forth I got all of them off without issue and was able to reuse them. It's an expensive spray but that bottle is a decent size and it sprays on easily. Whatever is in it works extremely effectively at lubricating through the rust and letting you get heavily rusted nuts off. Long story short, I highly recommend this stuff.
J**Z
This stuff is amazing a must buy for any job
My Milwaukee hackzal was frozen and the pistion/blade would not move do to water the other day getting all over it from cutting water lines. So it was frozen and when pulling the trigger would not move just heard it click. tried WD40 and PB Blaster and did not work. Used CRC Knock'er loose and let sit for 10 mins and sure enough dam thing was working like brand new again. THIS STUFF ROCKS. I have used on froze bolts as well and have not found anything it will not work on.
T**G
Witchcraft in a spray can
Had a saw get seized up. Shot some of this into the piston and I managed to break it free. Best part is I still had compression and she still works like a horse. Originally got this for stubborn bolts
J**H
Four Stars
It worked
M**2
Try it
Works okay on stripped and rusted bolts. The smell is actually nice.
T**3
This stuff right here, whoa! CRC Knocker Loose w Freeze
This CRC Freeze penetration is legit. Busted loose all the exhaust manifold bolts on my original 289 engine in my 1968 Mustang. All original rust from Ohio. Uber impressed and so glad I did not resort to using a torch to try and bust bolts loose…
M**T
Gets the tough stuck fasteners broken loose quicker with less wrenching/cussing!
Seems to work better than other penetrating sprays. I plan to use it as my "first choice" from now on given the positive results so far!
J**Y
Knock er loose
Nothing works better to loosen rust
Y**.
Awesome
Works better than any rust penetrating fluids out there never had a product work as good and as fast as this one
A**J
It works
Very good for rusty bolts
R**D
Haven’t used it yet
No dislikes
S**5
expensive
expensive ..did not work any better than other products however I will give more tries...I got it so I will use it
Trustpilot
1 month ago
5 days ago