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🔩 Lock it down, then break free — the smart threadlocker for pros on the move!
LOCTITE 243 Blue 50ml is a medium-strength, thixotropic threadlocker designed for M6 to M20 fasteners. It sets in 10 minutes and fully cures in 24 hours, providing high temperature resistance and oil tolerance. This product prevents loosening, leaks, and rust, while allowing easy disassembly with hand tools, making it ideal for machinery, engines, and vehicles.




| Are Batteries Included | No |
| Asin | B014MMG3AM |
| Best Sellers Rank | #1,039 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #36 in Universal Adhesives |
| Brand | Loctite |
| Colour | Blue - Threadlockers |
| Country Of Origin | India |
| Customer Reviews | 4.3 4.3 out of 5 stars (405) 4.3 out of 5 stars |
| Date First Available | 29 August 2015 |
| Generic Name | High Strength Heavy Duty Threadlocker, Pack Size: 50 Ml |
| Importer | Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India |
| Included Components | Works on all metals, including passive substrates |
| Item Dimensions Lxwxh | 10 x 10 x 15 Centimeters |
| Item Height | 15 Centimeters |
| Item Model Number | Loc_243 |
| Item Weight | 18.1 g |
| Item Width | 10 Centimeters |
| Manufacturer | Henkel Adhesives Technologies India Pvt Lid. D3/D4 Industrial Estate, Maharstra 412303, Loctite |
| Model Number | Loc_243 |
| Net Quantity | 50 Milliliters |
| Number Of Memory Sticks | 1 |
| Packer | Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India |
| Product Dimensions | 10 x 10 x 15 cm; 18.1 g |
| Special Feature | removable |
| Specific Product Use | Machinery, Equipment, Threaded Fasteners |
User
Great product must use
Very good product it prevent bolt loosening must use in vehicle some bike bolt become loose over the time and just use 1 slim verticle line on threads straight it is enough amazing product
User
Get the smaller one
This is 50ml bottle and has a expiry of 18 months and will the effectiveness reduce after that? I don't know but a chemical like this how can there be an expiry. Get the 6ml tube if you don't have use for the full bottle of it. All it takes is a drop or two even for longer screws. The product itself works and keeps the nuts and bolts together pretty well.
User
Best result
Good product. Works great and does what it says.
User
Threadlocker at its best.
Edit: Shake well before every use.Bought the product to fix loose screws and nuts of utensils. It seals those nuts which gets loosened automatically after consecutive tightenings.Apply a drop in the nut and screw it properly using proper screwdriver/hex tool. The screw/nut does not get loosened by itself. make sure the screw/nut to be proper clean (no oil no grease no rust).The price is on the higher side but the product is too good. One will get local product for 40-60 Rs that works (so so quality).
User
Loctite is no f* joke!
Screws are tight af! Infact, screws are so tight that I am unable unscrew it now!One item I locked with Loctite, I had locked with the intention to never unscrew it again, but the universe had other plans and an inner component broke, so to have it replaced I need to open it, right? *sigh* so now for the life of me, this thing won't unscrew!Probably will need to use heat therapy to weaken the bond.On the bright side, this item is legit and just a teeeny-tiny drop is enough to lock screws that can open with applying say, grizzly strength, or a few drops are enough if you never ever want it to unscrew unless you use some nuclear powered industrial strength tools.
User
Good item, late delivert
Product arrived at 7pm. Instead of morning.
User
Good but not best
Okay but I am looking a hard and better.
User
Working peopley
Nice
Trustpilot
5 days ago
4 days ago