The FL 567 High Viscosity Pipe Thread Lock - 50ml (Off White) is a high-performance thread sealant formulated to provide a strong, reliable seal on threaded pipe connections used in demanding industrial, automotive, plumbing, and engineering applications. Designed with a high-strength, high-viscosity formula, this anaerobic thread sealant fills gaps between mating threads to help prevent leaks caused by pressure, vibration, and fluid movement. Its fast-curing formulation is ideal for coarse threads and is specifically engineered for use on high-pressure conical and straight threaded fittings below M80. Supplied in a convenient 50ml bottle, the off-white sealant provides excellent resistance to loosening while helping protect threaded joints from corrosion and leakage. Whether used during new installations, repairs, or routine maintenance, FL 567 delivers dependable sealing performance and long-lasting reliability in demanding working environments.
High-Strength Thread Sealant: Formulated to create a durable, high-strength seal that locks threaded pipe connections securely in place while helping prevent loosening caused by vibration, pressure fluctuations, and regular operation. It provides a reliable sealing solution for professional maintenance, industrial assembly, automotive repairs, and plumbing installations where secure threaded joints are essential for long-term performance.
High Viscosity Formula for Coarse Threads: The high-viscosity formulation is specifically designed to fill the larger clearances commonly found on coarse threaded fittings. By effectively sealing the gaps between mating threads, it helps prevent fluid and gas leaks while providing improved sealing performance across a wide range of threaded connections, even in demanding operating conditions.
Fast Curing for Increased Productivity: Engineered with a fast-curing formula, FL 567 quickly develops a dependable seal after application, helping reduce assembly times and minimise downtime during repairs or installations. The rapid curing characteristics make it an excellent choice for production environments, workshops, maintenance departments, and field service applications where efficiency is important.
Suitable for High-Pressure Cones and Straight Threads: Specifically formulated for use on high-pressure conical and straight threaded fittings below M80, this thread sealant provides reliable sealing performance in applications where leak prevention and joint integrity are critical. It is suitable for a wide variety of industrial, hydraulic, pneumatic, and mechanical threaded connections.
Helps Prevent Leaks and Corrosion: By sealing threaded joints against the ingress or escape of liquids and gases, FL 567 helps reduce the risk of leaks while protecting threaded components from corrosion, contamination, and environmental exposure. This contributes to improved equipment reliability, reduced maintenance requirements, and extended service life for threaded assemblies.
Convenient 50ml Bottle with Off-White Formula: Supplied in an easy-to-use 50ml bottle, the sealant allows for clean, accurate application with minimal waste. The off-white colour provides good visibility during application, making it easier to confirm complete thread coverage while maintaining a professional finish during assembly or maintenance work.
The FL 567 High Viscosity Pipe Thread Lock - 50ml (Off White) combines high strength, high viscosity, and fast-curing performance to provide a dependable sealing solution for threaded pipe connections. Designed for coarse threads and high-pressure conical and straight fittings below M80, it offers reliable leak prevention, corrosion protection, and long-lasting joint security for professional industrial, automotive, plumbing, and maintenance applications.
Please refer to the image to ensure suitability.
What's in the box
1 x Thread Lock - 50ml
