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LOCTITE® 243 medium-strength threadlocker

Pack photograph.

LOCTITE® · SKU 243

LOCTITE® 243 medium-strength threadlocker

Primerless medium-strength locker that tolerates light oil on the threads.

ThreadlockersNSF/ANSI 61

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Pack sizes
10 ml · 50 ml · 250 ml
Temperature range
−54 to 180 °C
Country of origin
China
Viscosity
1,300 / 3,000 mPa·s, thixotropic
Curing time
Fixture about 10 min; full cure 24 h

Typical uses

  • As-received or lightly oiled fasteners
  • Stainless and plated bolts

Blue, medium-strength, primerless threadlocker for fasteners up to 3/4 in. Tolerates minor contamination from oils and cutting fluids. Removable with hand tools. Service temperature to 180 °C. Sourcebook lists NSF/ANSI 61 and CFIA. Figures follow the LOCTITE Adhesive Sourcebook 2024. Confirm the current TDS before sign-off.

We email or WhatsApp the current TDS or SDS. These files are not stored on this site.

Technical specifications

ColourBlue
StrengthMedium, primerless
Fastener sizeUp to 3/4 in.
Country of originChina

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