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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Loctite Thread Locking Adhesive, Blue, 209728

Loctite Thread Locking Adhesive, Blue, 209728

Product ID: 254870431

Details

Brand
LOCTITE
Item form
Liquid
Material
ester
Special features
Strong
Specific uses for product
Threadlocker

⏳24-hour full cure time

💧Water-resistant formula

🔩110 PSI tensile strength

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A$27

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔒 Lock it down, stress-free – the pro’s choice for lasting hold!

COMPACT PRECISE - 6ml tube delivers exact application without waste
RUST CORROSION SHIELD - Protects threads from rust, extending hardware lifespan
TRUSTED BY PROFESSIONALS - Top-ranked adhesive with 40,000+ glowing reviews
VIBRATION PROOF SECURITY - Advanced formula locks metal fasteners tight, no loosening under stress
MEDIUM STRENGTH FLEXIBILITY - Strong hold that still allows easy removal with hand tools

Loctite Blue 242 Thread Locking Adhesive offers a medium-strength, water-resistant bond that prevents metal fasteners from loosening due to vibration. With a 24-hour full cure time and rust-protective properties, it ensures durable, reliable fastening while allowing easy disassembly with hand tools. Trusted globally and highly rated, it’s the essential solution for professionals seeking secure, long-lasting thread locking.

Specifications

ASIN	B000I1RSNS
ASIN	B000I1RSNS
Best Sellers Rank	#1,356 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Fillers, Adhesives & Sealants
Brand Name	LOCTITE
Color	Blue
Compatible Material	Metal
Container Type	Tube
Customer Reviews	4.8 4.8 out of 5 stars (40,613)
Customer reviews	4.8 4.8 out of 5 stars (40,613)
Date First Available	11 August 2012
Department	Unisex-Adult
Full Cure Time	24 Hours
Global Trade Identification Number	00079340242005
Included Components	Loctite Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single
Is Discontinued By Manufacturer	No
Item Form	Liquid
Item Package Quantity	1
Item Type Name	Blue 242
Item Weight	5 Grams
Item model number	Henkel / osi -tanch-it-
Manufacturer	Loctite
Manufacturer	Loctite
Material Type	Dimethylacrylate ester
Model	Henkel / osi -tanch-it-
Number of Pieces	1
Other Special Features of the Product	Strong
Part Number	209728
Product Dimensions	12.19 x 8.64 x 1.27 cm; 5 g
Specific Uses For Product	Threadlocker
Tensile Strength	110 Pounds Per Inch
UPC	079340242005
Unit Count	1 Count
Viscosity Level	Medium
Volume	6 Milliliters
Water Resistance Level	Water Resistant

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