Loctite® 248 is a medium-strength, semi-solid threadlocker in a convenient stick format. Designed for general-purpose applications, it prevents loosening of threaded fasteners due to vibration and shock. Suitable for all metals, including passive substrates like stainless steel and aluminum, it offers easy application without dripping or mess.
Loctite® 248 is a medium-strength anaerobic threadlocker supplied as a wax-like semi-solid in a self-feeding stick applicator. It cures in the absence of air between close-fitting metal surfaces, forming a durable bond that resists loosening due to vibration and shock. The semi-solid format allows for clean and easy application, making it ideal for overhead and vertical surfaces where liquid adhesives may be impractical. Loctite® 248 works effectively on all metals, including passive substrates such as stainless steel, aluminum, and plated surfaces, without the need for a primer.
Colour: Blue
Physical Form: Semi-solid stick
Breakaway Torque: 23 Nm (M10 steel bolts)
Fixture Time: 5 minutes on steel
Full Cure Time: 24 hours
Service Temperature Range: -55°C to +150°C
Specific Gravity: 1.1
Fluorescence: Yes, under UV light
Recommended for: Steel, stainless steel, aluminum, and plated surfaces
Packaging Sizes: 9 g and 19 g sticks
Primary Chemistry: Methacrylate ester
Medium-strength formulation allows for disassembly with standard hand tools
Convenient stick format prevents dripping and mess
Suitable for all metals, including passive substrates like stainless steel and aluminum
Effective on “as-received” fasteners with light oil contamination
Ideal for vertical and overhead applications
Fluorescent under UV light for easy inspection
Prevents loosening of threaded fasteners due to vibration and shock
Eliminates the need for mechanical locking devices
Seals threads to prevent leakage and corrosion
Reduces maintenance by providing reliable locking and sealing
Enables reliable assembly without the need for prior cleaning of lightly oiled surfaces
Ideal for locking and sealing threaded fasteners that require normal disassembly
Suitable for use in applications where medium-strength threadlocking is desired
Effective on less active substrates such as stainless steel and plated surfaces
Can be used on assemblies with light oil contamination without prior cleaning
Applicable in maintenance and repair operations in industrial equipment
Suitable for automotive and heavy machinery threaded components
Useful in electrical and electronic equipment assemblies
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