LOCTITE® 648 is a fluorescent green, high strength, low viscosity, urethane methacrylate acrylic, anaerobic retaining compound designed for bonding cylindrical fitting parts. It is ideal for the retention of parts with a clearance or interference fit. Additionally, prevents loosening and leakage from shock and vibration.


Qualities and Characteristics

  • Fluorescent
  • Low viscosity
  • High strength
  • Robust curing performance
  • Designed for bonding cylindrical fitting parts
  • Recommended holding gears and sprockets onto gearbox shafts and rotors on electric motor shafts.
  • Works on active metals (e.g. mild steel) as well as passive substrates such as stainless steel and plated surfaces
  • Offers high temperature performance and oil tolerance
  • Tolerates minor surface contaminations from various oils such as cutting, lubrication, anti-corrosion and protection fluids

Technical Attributes

Gap Fill 0.15 mm
Fixture Time Temperature 3 °C
Fixture Time 3 mins

Physical Attributes

Colour Green

Practical Attributes

Key Substrates Metal: Steel
Agency Approvals DVGW (EN 751-1): NG 5146C00236 NSF P1 Reg No: 148350 WRAS (BS 6920): 0808532
Application Retaining
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£160.00 (£192.00 inc VAT)
LOCTITE® 648 is a fluorescent green, high strength, low viscosity, urethane methacrylate acrylic, anaerobic retaining compound designed for bonding cylindrical fitting parts.

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