Product description

LOCTITE® 277 is designed for the permanent locking and sealing of threaded fasteners. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. Typical applications include the locking and sealing of large bolts and studs (M25 and larger).

Mil-S-46163A :
LOCTITE® 277 is tested to the lot requirements of Military Specification Mil-S-46163A. Note: This is a regional approval. Please contact your local Technical Service Center for more information and clarification.

ASTM D5363 :
Each lot of adhesive produced in North America is tested to the general requirements defined in paragraphs 5.1.1 and 5.1.2 and to the Detail Requirements defined in section 5.2.

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