LOCTITE® 221
This low-strength, low-viscosity threadlocking adhesive is formulated for small thread sizes up to M12.
LOCTITE® 221 is a purple, low strength, 1-part low viscosity liquid threadlocker ideal for locking small diameter screws and long engagement length fasteners. It prevents small screws from loosening due to shock and vibration, while still allowing for easy disassembly at room temperature without shearing the screw. For use on all metal fasteners up to M12, including steel, brass and stainless steel.
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Request Sourcing QuoteWe source any industrial chemical from our authorized brand network. Quote within 24 hours.
Request Sourcing QuoteLOCTITE® 221
This low-strength, low-viscosity threadlocking adhesive is formulated for small thread sizes up to M12.
LOCTITE® 221 is a purple, low strength, 1-part low viscosity liquid threadlocker ideal for locking small diameter screws and long engagement length fasteners. It prevents small screws from loosening due to shock and vibration, while still allowing for easy disassembly at room temperature without shearing the screw. For use on all metal fasteners up to M12, including steel, brass and stainless steel.
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