LOCTITE-561 (19-Gram-Stick)
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Introducing Loctite 561 (19g Stick), a one-component anaerobic thread sealing adhesive designed for locking and sealing metal pipes and fittings. Its stick form ensures easy application in tight spaces. Ideal for industrial, plumbing, and mechanical applications, it provides reliable, long-lasting seals.
Information
Additional Product Information
Overview
Loctite 561 (19-Gram Stick) is an industrial-grade, one-component anaerobic thread sealing adhesive designed for locking and sealing pre-torqued metal pipes and fittings. Engineered to cure in the absence of air between close-fitting metal surfaces, it delivers reliable sealing performance while preventing loosening caused by vibration and shock. Its convenient stick format allows precise, clean application, especially in confined or hard-to-reach maintenance areas, making it highly suitable for MRO and AOG environments.
Key Technical Specs for Loctite 561
- Type: One-component anaerobic thread sealant (stick form)
- Appearance: Off-white, waxy consistency
- Technology: Acrylic-based methacrylate ester
- Strength: Low strength for controlled disassembly
- Cure Mechanism: Anaerobic cure between metal surfaces
- Application Method: Solid stick for clean, precise application
- Typical Use: Thread sealing for metal pipes and fittings
Approvals & Specifications
- Industrial Grade: Suitable for mechanical, plumbing, and maintenance applications
- OEM Compatibility: Widely used across industrial and engineering sectors
- Industry Classification: Thread sealing and locking compound
Typical Aircraft MRO / AOG Applications
- Sealing threaded metal pipe fittings in aircraft systems
- Use in pumps, compressors, and auxiliary systems
- Preventing loosening due to vibration in critical assemblies
- Rapid application during AOG maintenance situations
Compatibility & Safety Notes
- Compatibility: Designed for metal-to-metal threaded connections
- Surface Prep: Ensure threads are clean and free from oils or contaminants
- Safety Notes: Use appropriate PPE; avoid contact with skin and eyes
- Handling: Stick format minimizes spills and over-application
Packaging & Procurement
- Supplied as a 19-gram stick for precise application
- Compact size ideal for toolkits and on-site maintenance use
Why Loctite 561 is Chosen for AOG / MRO
- Clean and easy application in tight or difficult areas
- Reliable sealing performance under vibration and shock
- Low strength allows easy disassembly for maintenance
- Reduces mess compared to liquid or paste sealants
Practical Suggestions for Your Team (AOG Mindset)
- Keep sticks in maintenance kits for quick deployment
- Use for rapid sealing in confined or overhead applications
- Ensure proper surface cleaning before application for optimal sealing
Manufacture / Aviation Spec Codes
- Manufacturer: Loctite
- Product ID: 561
- Form: Solid stick thread sealant
Alternative Names & Descriptions
- Loctite 561 Thread Sealant Stick
- Loctite Anaerobic Pipe Sealant Stick
- Industrial Thread Sealing Adhesive (Stick Form)
- Low Strength Pipe Thread Sealant
Restrictions
Recommended Alternatives
Shipping Information
- Orders over £50 online are eligible for FREE UK Mainland delivery.
- Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
- European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
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