Features and Benefits

LOCTITE 660 is a high strength retaining compound with good gap filling properties, ideal for repairing worn-out seats, keys, splines, bearings or tapers without remachining.
LOCTITE® 660 is designed for the bonding of cylindrical fitting parts, particularly where bond gaps occurs without the need for remachining. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. LOCTITE 660 exhibits excellent gap cure characteristics and is also suitable for retaining shims.
  • Ideal for repairing worn parts without remachining
  • Enables re-use of worn bearing seats, keys, splines or tapers
  • Suitable for retaining shims
  • P1 NSF Reg. No.: 123704
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Technical Information

Agency Approvals / Specifications NSF P1
Colour Grey: Silver
Fixture Time 15.0 min.
Gap Fill 0.25 - 0.5 mm
Key Characteristics Thixotropic, Gap Filling, Strength: High Strength
Operating Temperature -65.0 - 300.0 °F (-55.0 - 150.0 °C )
Shear Strength, Steel 23.0 N/mm² (3335.0 psi )
Substrates Metal: Steel
Viscosity 250000.0 mPa·s (cP)