








🔧 Lock it down, stress-free — the ultimate thread guardian!
ESKONKE Thread Locker Blue 243 is a medium-strength, removable adhesive designed to secure metal fasteners up to M32 size. It cures fully in 24 hours, providing robust resistance against loosening from vibration, while preventing rust and corrosion. Its precision nozzle ensures easy, mess-free application, making it ideal for automotive, industrial, and household use.
















| ASIN | B0CHM5QS3N |
| Best Sellers Rank | #846 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Retaining Compounds |
| Brand | ESKONKE |
| Color | Blue |
| Date First Available | September 8, 2023 |
| Full Cure Time | 24 Hours |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 1.69 Fluid Ounces |
| Item Weight | 2.08 ounces |
| Item model number | 243 |
| Manufacturer | ESKONKE |
| Material | Epoxy Acrylate(60-65%) / Oleic acid, ethoxylated(25-30%) |
| Number of Pieces | 1 |
| Package Dimensions | 6.26 x 2.32 x 0.98 inches |
| Package Information | Bottle |
| Special Feature | Adhesive viscosity has thixotropy, Anti corrosion, Chemical resistance, High temperature resistance, Oil resistant |
| Specific Uses For Product | Etend the Life of Items and Safe Using, Lock Tight Fasteners, Prevent the Bolts from Rusting, Seal Screws, Thread Locker 243 |
| Tensile Strength | 180 Pounds Per Square Inch |
| UPC | 788462035616 |
| Unit Count | 1.69 Fluid Ounces |
| Viscosity | 1300 ~ 3000 Centipoise |
| Water Resistance Level | Water Resistant |
K**H
Does what you need on smaller threads.
The first thing to understand is that this is non-permanent and designed to prevent breaking smaller threaded parts when removing without heat or impact. It can be messy if you use too much, but that’s on you! The bottle is a good design. Store it upright to prevent leaks. Shake well!
A**E
Great thread locker!
Great product and works as expected. Reasonably priced. I will definitely be buying more in the future when needed. Highly recommended.
L**Y
Useful for securing screws and yet soft enough to rework later.
My application is for my RC hobby, both builds and maintenance. I’ve only used it on a few parts so far, but so far it is working exactly as I hoped, a quick and secure connection that can also be reworked without stripping anything out. There’s plenty in the bottle, half is air which keeps it liquid. Once you get it into a threaded connection is begins to harden. Tip is a bit large for hitting tight spots but I use a sharp thin metal tip to guide small drops into tight locations. If you leave some on a surface it’s easy to wipe off.
B**N
Nice product
Outstanding value. Worked perfectly
D**C
Seems To Work
This thread locker seems to work, however I found it a little tricky and did not see any info on how to actually open the bottle ... first there's the main cap, ok just pop that off it is tight at first but simple enough right? well yes and no, as with most you have to pierce the nozzle to get the liquid to flow so I did that and it still was not dispensing any liquid. NOTE: Just in case others are unsure and have the same issue I did then the following info is for you. Then I noticed there's a spot that sticks out lower on the nozzle this is a secondary seal that you must pull up on to unlock it (See Pic), while this is great it would be nice if the info to open the bottle was included in the package. So unless I somehow missed it I did not see any ... Anyway with all that sorted the product works as it should and seems to hold tight and sets quickly, but because of the lack of proper instructions I am docking a star. O and yes as others have mentioned the bottle is half full. I checked the weight of the product and it is around 50g minus the weight of the bottle, so you are getting what they say your getting, its just in a large one size fits all bottle that they must use for all there products which in my opin is just ridiculous and one of the reasons for many bad reviews, they should really just use a smaller bottle for a smaller amount, but because you only use a drop or 2 at a time this amount is still quite a lot, and should still last a very long time. Yes I can recommend this product, as it does seem like a decent value, just know it will come in an oversize bottle, but they are not shorting you on the actual product.
H**.
Just saying!
Did a great job on a metal frame for a Queen size bed.... Have had it ( the frame), for a while. Not going to bad mouth any other brands. Bought this to see if it could help even with the wear and tear of the past. Had previously used a popular brand but for what ever reason it failed immediately, (in a week or so.. Had waited to give it time to set and cure) . The Eskonse thread blocker Blue 234 actually has held and I even gave it the week to cure just like the one I havd been using previously. This thread locker worked after the same curing time, on the same frame and is still working 2 weeks later.
O**X
Seems to hold better than the name brand Loctite.
I've used it on my scope mounts and picatinny row mount for my brake barrel .22 pellet rifle and I am very impressed so far.
S**S
Essential for Optic Mounting
I mounted a few pistol optics that allegedly came with screws that already had lock tight on them... a sham! Maybe that works for some, but for me every single one of them started coming lose after less than 100 rounds. Make sure you read the instructions as this kit comes with 3 different "strengths" if you will. You right now may think you will never want to take the optic off /swap it for something else, but if you ever do its gonna be a pain in the ass if you used the wrong one. Use is not that hard- squirt a little on the screws, rub them together to make sure it spreads around. If you are at all confused there are a lot of youtube videos that show you how- its very easy to use. You are generally putting this on screws that aren't visible, so unless you put on way to much the color should match/not be an issue. You do not have to match the color based on the tube you are using. I have never heard of or used an alternative to lock tight that works anywhere near as good- the quality is top notch.
Trustpilot
2 weeks ago
1 week ago