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Product Description

Locktite Thread Locker Glue - Select Your Strength Above the description.

Strengths available:

Red 271 - Permanent

Good for things that you don't ever intend on taking apart with out high heat or extreme effort (or possibly both).

-Prevents vibration loosening by permanently locking and sealing metal fasteners
-Permanent formula is only removable by heating up parts to 500°F
-Moisture resistant, preventing leaking and rusting of threads
-Set time of 10 minutes and cure time of 24 hours
-Adds 3,000 PSI holding power on slip- and press-fit assemblies
-Prevents vibration loosening by locking and sealing metal fasteners
-Prevents leaks and rusting of threads
-Removable with heat and hand tools
-Parts fixture in 10 minutes
-Full cure in 24 hours


Blue 242 - Strong but removable

Good for things you want to keep together but still be able to remove with a tool. Things like gun screws, model radio controll toys and drones. Also good for scope ring screews, sight mounts, castle nuts, KNS non-roataing pin sets.

-Designed to lock and seal threaded fasteners to prevent loosening from vibration
-Prevents leaks and the rusting of threads
-Ideal for 6 - 20 mm fasteners
-Removable with hand tools
-Torque break/prevail: 115/53
-Full cure in 24 hours
-Protects threads from rust and corrosion
-Best for when disassembly is required for servicing
-Eliminates need to stock up on expensive lock nuts and washers


Single 0.20 fl. oz. tube per pack. Order as many packs as you like. USA Stock. Call or email for stock status.

Click here to read the California regulatory warning.