Featured Categories
Shop by Category
Dependable sealing and high versatility define Loctite 577, Thread Sealant, Yellow, 250 ml, formulated for metal pipe threads and fittings in industrial, hydraulic, and pneumatic systems. Its medium-strength, anaerobic formula cures quickly to create a durable, pressure-resistant seal that prevents loosening and leakage caused by vibration or temperature changes. The yellow, thixotropic (non-drip) consistency ensures clean, easy application without migration on vertical or overhead surfaces. Resistant to oils, fuels, and most industrial fluids, it maintains long-term integrity under harsh operating conditions. Ideal for marine hydraulics, mechanical repair, and metric fabrication, Loctite 577 delivers consistent, leak-proof performance and lasting reliability.
