LOCTITE^® 263 is a red, high-strength, primerless threadlocker for permanently locking and sealing bolts, nuts and studs to prevent loosening due to vibration. It works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces without the use of primer. Suitable for use on most oil-coated, “as-received” fasteners without cleaning.

• Particularly suited for heavy duty applications such as studs into motor housings where high strength is required
• Prevents fastener loosening and leakage from shock and vibration
• Permanent locking and sealing of threaded fasteners – removable with heat
• Requires heat for disassembly
• Offers high temperature performance (up to 360°F) and oil tolerance

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