Description
Loctite 263 is a high-strength, permanent threadlocker designed for locking and sealing heavy-duty threaded fasteners. It provides exceptional resistance against vibration, shock, and thermal expansion, making it ideal for critical assemblies that must stay secure under extreme conditions. Its oil-tolerant formula allows reliable performance even on slightly contaminated or oily surfaces.
Key Features
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High Strength (Permanent) – Fasteners require heat & tools for removal
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Oil Tolerant – Performs well even on oily or contaminated threads
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Vibration & Shock Resistant – Prevents loosening under heavy load
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Corrosion Protection – Seals threads to stop rust and leakage
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Wide Temperature Range – Works from –55°C to +180°C
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Fast Curing – Fixture time approx. 10 minutes on steel
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Excellent for Large Fasteners – Bolts, nuts, and studs up to 1 inch
Best For
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Automotive engines & drivetrain components
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Heavy machinery & industrial equipment
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Gearboxes, motors & pumps
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Construction equipment
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Permanent locking of critical bolts and studs