Threadlockers
Blue, medium strength, primerless threadlocker stick
Easy-to-apply, semi-solid stick for locking and sealing threaded assemblies - ideal for vertical and overhead applications. Medium strength, removable with hand tools.
All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.
- Description
- Technical specification
- Rating & reviews
- Question & answer
LOCTITE® 248 is a blue, general purpose threadlocker that provides a medium-strength bond in a convenient stick format for no-drip, no-mess applications. It locks and seals bolts, nuts and studs to prevent loosening due to vibration, and works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces without the need for a primer. Suitable for use on most oil-coated, "as-received" fasteners without cleaning.
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Convenient, non-drip, stick format
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Prevents fastener loosening on vibrating assemblies, e.g. pumps, gear boxes, presses
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Works on all metals without primer, including passive substrates
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Suitable for use on most oil-coated, 'as-received' fasteners without cleaning
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Can be disassembled with ordinary hand tools for easy service and maintenance
- Product category:
- Threadlockers
- Technologies:
- Acrylates, anaerobic cure
- Application method:
- Swipe
- Application temperature:
- -55.0 °C - 150.0 °C (-65.0 °F - 300.0 °F)
- Applications:
- Threadlocking
- Breakaway torque, Breakloose torque, M10 Steel Nuts/Bolts:
- 23.0 N·m (200.0 in./lb.)
- Color:
- Blue
- Cure type:
- Anaerobic cure
- Fixture time:
- 5.0 min.
- Key characteristics:
- Disassembly: removable,Strength: medium strength
- Physical form:
- Semi-solid stick
- Recommended for use with:
- Metal,Metal: passive metal
How to use
It is recommended to use LOCTITE SF 7063 or LOCTITE SF 7070 to degrease and clean surfaces prior to applying threadlocker.
If cure speed is too slow due to passive metals (stainless steel, aluminum and plated metals) or low temperature (below 5°C), use LOCTITE SF 7649 activator. Allow to dry.
Apply a 360 degree band of threadlocker to the male fastener at the area of engagement and completely fill the thread roots - generally the width of 2-3 threads. Assemble nut and tighten to proper torque.
Apply threadlocker to entire diameter of thread engagement area on male fastener, install fastener into blind hole, and tighten to proper torque.
Assemble and tighten to proper torque requirement. If several bolts are being assembled, torque them down to the correct value within the fixture time window.
Disassemble with standard hand tools. If not possible, apply localized heat to approximately 500°F/260°C and disassemble while hot.
FAQ
Prevent vibration loosening, prevent leaks, protect threaded components from corrosion and increase the reliability of mechanical fasteners by using a LOCTITE® anaerobic threadlocking adhesive.
The standard continuous operating temperature range for LOCTITE® anaerobic adhesives is -55˚C to +150˚C.Depending on the specific application requirements, high-performance grades are also available offering increased temperature resistance. Please consult with the Henkel technical team for availability and grade selection.
Yes, Henkel's anaerobic adhesives become highly resistant thermoset polymers once cured, making them suitable for a vast number of applications. Consult our online product resources or contact our technical teams for further information.
Yes, these products are all anaerobic adhesives that will function in a similar way. Variations in the adhesive characteristics (viscosity, gap-fill, strength, etc.) will make them better suited to certain applications. Consult the product technical data sheets and/or Henkel representatives for further information.
All necessary H&S measures and PPE (personal protection equipment) requirements can be found on the product material safety data sheet, all of which are available via our website.
