(Known as Loctite 660 Quick Metal, Press Fit Repair )

*some package sizes excluded

Retaining Compound - high strength. Gap filling. For repair of 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 such with worn parts, 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. This product exhibits excellent gap cure characteristics and is also suitable for retaining shims.

Your Benefits

  • 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

Applications Close Fitting / Press Fit
For Metal Parts
Loose Fitting / Slip Fit
Machinery Repair
Agency Approvals / Specifications CFIA Listed
Color Silver
Cure Type Anaerobic Cure
Diametrical Clearance (Maximum) (in.) 0.02
Diametrical Clearance (Maximum) (mm) 0.5
Fixture Time 20 min.
Full Cure Temperature (°C) 25
Full Cure Temperature (°F) 77
Full Cure Time 24 hr.
Gap Fill (in.) 0.02
Key Characteristics Thixotropic
Shear Strength, Steel (psi) 3335
Specific Gravity (g/l @ 25°C) 1.13
Temperature Range (°C) -54 to 149
Temperature Range (°F) -65 to 300
Viscosity Range (Brookfield mPa.s (cP)) 250000 to 1500000
Viscosity Temperature (°C) 25
Viscosity Temperature (°F) 77