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- Description
LOCTITE® 243 Medium-Strength Threadlocker – Blue
LOCTITE® 243 is a versatile, blue threadlocker designed to lock and seal metal fasteners, preventing loosening from shock and vibration. It provides a reliable medium-strength hold that can be removed using standard hand tools—ideal for maintenance and service tasks.
This formula is effective on all metals, including passive materials like stainless steel, aluminium, and plated surfaces. It also bonds well to oil-contaminated parts, eliminating the need for pre-cleaning in most cases.
Key Features:
- Prevents loosening on vibrating assemblies such as pumps, gearboxes, and presses
- Compatible with all metal fasteners, even passive substrates
- Effective on lightly oiled or "as-received" fasteners
- Removable with hand tools for convenient disassembly
- NSF/ANSI 61 certified – safe for use in drinking water systems
- Trusted by professionals, LOCTITE® 243 is the go-to solution for securing fasteners with confidence.
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