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Datasheet generated 2026-10-07
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Loctite 660 Quick Metal Retaining Compound Gray 50ml

Loctite · Tools & Workshop Consumables · Retaining Compounds · Germany · loctite.com
Part Number
135527  ·  HS 3506.91
Loctite 660 Quick Metal Retaining Compound Gray 50ml

Loctite 660 Quick Metal high-viscosity retaining compound for restoring correct fits on worn cylindrical parts where larger bond gaps are present, without re-machining. Metallic gray paste, 50 ml tube. Used by maintenance technicians and installation crews across industrial, marine and construction service.

Technical Specifications

Dimethacrylate ester, metallic gray paste; one-component anaerobic gap-filling retaining compound that cures in the absence of air between close-fitting metal parts. Fills diametral gaps up to 0.50 mm (0.020 in), so it restores correct fits on worn shafts, spun bearing seats, damaged keyways and splines and retains shims without re-machining. Prevents loosening and leakage from shock and vibration. Compressive shear strength on steel pins and collars 17.2 N/mm2 (2,490 psi) per ISO 10123; operating temperature -55 to +150 degC. Henkel order no. 66040 / IDH 135527, 50 ml tube.
TypeRetaining Compound
ColorGray
Fill size50 ml
Operating temperature-55 to +150 °C
Compressive shear strength17.2 N/mm² (2,490 psi)
Chemical baseDimethacrylate ester
CureAnaerobic (one-component)
StandardsISO 10123

Properties

Temperature range-55 to +150 degC
MOQ1

Standards

Attached Documents