LoctiteThreadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack
Thumbnail 1Thumbnail 2Thumbnail 3Thumbnail 4Thumbnail 5Thumbnail 6Thumbnail 7Thumbnail 8

LoctiteThreadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack

4.8/5
Product ID: 1998117
Secure Transaction

Details

  • Brand
    Loctite
  • Specific Uses For Product
    Threadlocker
  • Material
    ester
  • Compatible Material
    Metal
  • Item Form
    Liquid
🔩Works on 6-19mm fasteners
⏱️Sets in 10 minutes
🛡️Prevents rust & corrosion

Description

🔒 Lock it down, but keep control—fast, firm, and removable!

  • VERSATILE FIT - Perfectly engineered for 6-19mm nuts and bolts—your all-in-one fastening solution
  • CORROSION SHIELD - Protects metal fasteners from rust and corrosion, extending equipment life
  • REMOVABLE CONTROL - Medium strength formula that locks tight but allows easy removal with hand tools
  • FAST ACTING LOCKDOWN - Sets in just 10 minutes to get you back to work faster
  • VIBRATION PROOF SECURITY - Stops loosening caused by vibration on motors, mowers, and power equipment

Loctite Threadlocker Blue 242 is a medium-strength adhesive designed to secure 6-19mm metal fasteners against loosening from vibration. It sets quickly in 10 minutes, fully cures in 24 hours, and protects against rust and corrosion while remaining removable with standard hand tools.

Large manufacture image 1Large manufacture image 2Large manufacture image 3Large manufacture image 4

Have a Question? See What Others Asked

Is there a solvent or dremel attachement that will remove this stuff from bolt threads?
Do I apply this to my doorknob set screw before screwing it in or after? (ie, a drop on top?)
how do I open the sealed tube? do I just poke a hole at the top?
can this be used in glasses? The screws that hold the lenses in place?

Reviews

4.8

All from verified purchases

R**.

Loctite On The Go

Loctite has always been a great brand. This comes in the perfect size to carry and the bottle capacity. It works well. Ease of use with the design also means that messiness is kept at a minimum. Great value for the money and the packaging is durable to put in my bag and carry around.

D**.

Keeps Bolts Tight Without the Hassle

’ve used Loctite Blue 242 on everything from motorcycle parts to furniture, and it works exactly as advertised. It keeps screws and bolts from vibrating loose, especially on items that see a lot of movement or stress. What I really appreciate is that it’s strong enough to hold, but not so permanent that you can’t remove the fastener later if needed.The application is easy — just a drop on clean threads before tightening, and you're good to go. It sets up nicely and doesn’t make a mess. I’ve had zero issues with rust or corrosion after use, and the bottle has lasted me a long time.Definitely recommend this for anyone who works on machines, tools, or even around the house. Just be sure you’re using it on parts you might want to remove later — this isn't the red (permanent) stuff!

R**A

Locks Tight and Holds Strong

This threadlocker works exactly as it should. I’ve used it on everything from tools to automotive parts, and once it cures, bolts stay secure with no loosening from vibration or use.It’s easy to apply, sets up quickly, and gives peace of mind that everything will stay tight over time. Whether for small screws or larger fasteners, it performs great every time.Reliable, strong, and a must-have in any toolbox. Highly recommend!

J**N

Long lasting

I purchased this Loctite primarily to secure the optic on my home defense firearm, and it has performed flawlessly. After multiple range sessions and hundreds of rounds fired, my optic hasn't shown even the slightest bit of movement - exactly what I needed for a critical application where reliability is paramount.The product proved so effective that I started using it for household repairs too. Those annoying, constantly-loosening ceiling fan screws that created a shaky noise? Completely silenced after application. The medium-strength formula seems perfect - strong enough to keep things secure, but still allows for disassembly when needed with standard tools.Application was simple with the precise nozzle, and a little goes a long way. I appreciate that it dries clear and doesn't leave messy residue. For anyone needing to secure screws in firearms, machinery, or household items, this Loctite delivers professional-grade results.For those using it for firearm related screws: Always follow manufacturer instructions for firearm applications and allow proper cure time before use.

T**X

Secured the threaded components as promised!

The Loctite Threadlocker Blue 242 performed effectively, securing the threaded components as promised. However, I found its consistency to be quite thin, which caused it to drip excessively while I was applying it. This watery texture made it a bit challenging to manage, resulting in some unwanted spillage that required extra cleanup afterward. Overall, while the product delivered on its intended purpose, the messiness during application was a drawback.

S**A

Works as good as it always has.

Dries Quickly. Seals well. Sticks the bolts down. Easy to use and doesn't make a mess. Heat Resistant.

W**W

Works as expected

Worked well to secure screws on scope rings. Quick arrival and good value on Amazon.

N**S

Very effective on bicycle cranks

Just need a few drops to keep bolts from loosening. Resolved a few ongoing headaches with bicycle parts that would loosen after every ride and avoided potentially costly repairs.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Shop Global, Save with Desertcart
Value for Money
Competitive prices on a vast range of products
Shop Globally
Serving millions of shoppers across more than 100 countries
Enhanced Protection
Trusted payment options loved by worldwide shoppers
Customer Assurance
Trusted payment options loved by worldwide shoppers.
Desertcart App
Shop on the go, anytime, anywhere.
£8.08

Duties & taxes incl.

UKstore
1
Free Shipping

with PRO Membership

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Loctitethreadlocker Blue 242 Removable Thread Lock Glue For Nuts Bolts | Desertcart GB