Is there a solvent or dremel attachement that will remove this stuff from bolt threads?

You don't need solvent or dremel. It will keep any screw or bolt from loosening, but you can get the bolt/screw out with a screwdriver and just brush off the Loctite. Very good stuff.

Do I apply this to my doorknob set screw before screwing it in or after? (ie, a drop on top?)

Before. You apply this to the screw threads before screwing in. Make sure you only apply a very little bit. More is not better.

how do I open the sealed tube? do I just poke a hole at the top?

I think it's best to use a thumbtack, safety pin, etc. to poke a hole into the flat tip. This will give you "droplet-sized control" in application.

can this be used in glasses? The screws that hold the lenses in place?

No, it is designed for larger screws. Use Loctite 222 for small screws.

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🔧 Lock it down, loosen up later — the smart fix for lasting reliability!

EASY REMOVAL - Medium strength formula allows disassembly with standard hand tools—no hassle
COMPACT 12 PACK - Bulk supply ensures you’re always ready for maintenance or projects
PERFECT FIT RANGE - Optimized for 6-20 mm fasteners, covering most common applications
RUST LEAK DEFENSE - Seals threads to stop corrosion and leaks, extending hardware life
SECURE YOUR FASTENERS - Locks nuts and bolts firmly to prevent loosening from vibration

LOCTITE Threadlocker Blue 242 is a medium-strength adhesive designed to lock and seal threaded fasteners from 6 to 20 mm, preventing loosening caused by vibration while protecting against leaks and corrosion. It offers a torque break of 115 Nm and can be removed easily with hand tools, making it ideal for professional and DIY use. This 12-pack of 6 ml tubes ensures you have a reliable supply for all your fastening needs.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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TrustScore 4.5 | 7,300+ reviews

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Product Dimensions	18.57 x 13.79 x 12.01 cm; 45.36 g
Item model number	209728-12
Number of Puzzle Pieces	1
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Stainless Steel
Color	Blue
ASIN	B01EZTPX8A

LOCTITEThreadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 12 Pack

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