Low strength, low viscosity threadlocking adhesive. Formulated for small metal threads up to M12.
LOCTITE 221 is a methacrylate-based threadlocking adhesive designed for low strength applications on small threads up to a maximum size of M12. Typical fixture times are brass at 20 minutes, steel at 25 minutes and stainless steel at 210 minutes. Offering low viscosity and a breakaway torque of 8.5Nm, the product is designed for fasteners that require easy disassembly with standard hand tools.
Your Benefits
Low strength
Low viscosity
Designed for small threads
Various pack sizes
Max thread size: M12
Service temperature range: -55 degrees to +150 degrees
