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🔒 Lock it down, heat it up, never let go!
Permatex 27200 High Temperature Threadlocker Red is a premium 10 ml liquid adhesive designed for heavy-duty fasteners exposed to extreme heat up to 450°F. It prevents loosening from vibration and shock while sealing threads against corrosion. Ideal for high-performance engines, transmissions, and critical mechanical assemblies, it offers a tough, durable bond that’s removable with heat and hand tools, making it the go-to solution for professionals demanding reliability under pressure.










| ASIN | B000HBIB8K |
| Best Sellers Rank | #5,465 in Automotive ( See Top 100 in Automotive ) #25 in Thread Lock Sealers |
| Brand | Permatex |
| Brand Name | Permatex |
| Color | Red |
| Compatible Material | Acrylic |
| Container Type | Aerosol Can |
| Customer Reviews | 4.6 out of 5 stars 1,070 Reviews |
| Global Trade Identification Number | 00686226272003 |
| Included Components | Red Threadlocker |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | Threadlocker |
| Item Weight | 18.14 g |
| Manufacturer | Permatex |
| Material | solid |
| Material Type | solid |
| Model | 27200 |
| Number of Pieces | 6 |
| Other Special Features of the Product | Extreme Temperature Resistance |
| Part Number | 27200 |
| Special Feature | Extreme Temperature Resistance |
| Specific Uses For Product | Fleet and plant maintenance. |
| UPC | 686226272003 |
| Viscosity Level | Low to Medium |
| Volume | 10 ml |
| Warranty Description | 30 Days |
| Water Resistance Level | Water Resistant |
J**N
Works as intended
Works as intended
T**Y
Red Loctite 272 High temp alternative
Very pleased with the Permatex High Temp Red 24026. I employ this to secure the set screws on AR15 low profile gas blocks, which are exposed to very high temperatures and, if they fail, would cause the entire gun to cease functioning. Most of my work is on law enforcement patrol carbines and rifles, so ensuring proper function for the people that protect all of us is VITAL. This is rated to maintain 90% of its holding strength up until 450 degrees F. However, and this is good news, it states that you must heat it to past 600 degrees F to begin to remove it...and even then it requires substantial amounts of force (think "breaker bar" or a miniature equivalent) to break the fastener loose. This protects against vibration loosening and ALSO protects the threads from corrosion via oxidation. I recommend this for any item that is being installed in a "permanent installation".....i.e something that simply cannot come loose unless a MAJOR repair or planned parts replacement is begun. AR15 gas blocks, engine bolts, etc. You can remove it via the judicious use of a blow torch and a lot of elbow grease, so this may make it unsuitable for some smaller fasteners or weaker setups (or aluminum if you want it to NOT be permanent). For fasteners that you may want to remove, use a blue variant (either Loctite, Vibra-tite [my favorite], or permatex blue).
B**N
Very strong thread lock!
This is a very good quality thread lock compound. It lubricates the threads for assembly but doesn’t take long for it to set and lock the threads. Just understand that the application cannot be undone without a high heat torch. The price was better than I saw at the auto parts store. I used this thread lock on the studs that thread into the crankshaft where the flywheel and outdrive coupler attach with flare nuts. Whoever put together the boat engine originally didn’t use thread lock as the studs slowly loosened and some actually fell out. Not wanting to pull the engine out again, I throughly tested the installed studs with a torch and a pair of vice grips to make sure the engine heat would not compromised the thread lock. I heated up the studs to about 300 degrees. I could not budge the studs at all. Perfect!
C**K
Strong stuff
Came in handy with sportster primary, stator, rotor, friction plate work! I had to remove one bolt after I used this stuff…it works!
C**.
Worked
Used to seal a rethread on a spark plug
T**S
Shipping Cost.
Great product and fast shipping. Was exactly as described. Packaging was great.
S**G
Super tight
Let cure first before Putting screws in on Helio Coils
J**.
This was recommended Works great!!
I bought a cast iron knight fireplace set on Amazon. I read a review and the person said that the nuts and the bolts to hold the utensils together would come loose so he recommended using Permatex Threadlocker Red. I bought this on Amazon and it did the trick. The heat of the fireplace does not affect the glue at all.
く**き
少量入りの耐熱高強度
他社で量が少ない耐熱高強度のネジロックが廃番になってしまいこれに切替え デフを組む際のリングギヤボルトに使用し、問題なく走ってます
A**R
液が出ない。
液が出なかったので、返品交換になったが、交換品もボルト2本分の量しか出ない。
Y**U
Tiens solidement
Pour des assemblages permanent, ce produit est parfait.
B**D
good stuff
worked as advertised everything fine so far.
A**R
one of the best in amazon
i will order more if it was cheaper
Trustpilot
4 days ago
2 weeks ago