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Loctite 221 Anaerobic Threadlocker 250ml Bottle

Loctite 221 Anaerobic Threadlocker 250ml Bottle
£175.33 excl VAT
£210.40 inc VAT
9 In stock
Loctite 221 threadlocker is designed for the locking and sealing of threaded fasteners which require easy disassembly with standard hand tools.
Bulk discounts
£175.33 + VAT
£166.56 + VAT
£162.18 + VAT
£157.80 + VAT


  • Loctite 221 cures when confined in the absence of air between close fitting metal surfaces.
  • Loctite 221 prevents loosening and leakage from shock and vibration.
  • It is particularly suitable for applications such as adjustment of set screws, small diameter or long engagement length fasteners
  • Loctite 221 provides the following product characteristics

  • Technology Acrylic
  • Chemical Type: Dimethacrylate ester
  • Appearance (uncured): Purple liquid
  • Fluorescence: Positive under UV light
  • Components: One component - requires no mixing
  • Viscosity: Low
  • Cure: Anaerobic
  • Secondary Cure: Activator
  • Application: Threadlocking
  • Strength: Low

Orders over £50 placed online will now qualify for FREE UK Mainland delivery*

Orders under £50 placed online for UK Mainland delivery is £6.95*

Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £19.50** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.
Please refer to our delivery page for more information.

Sil-Mid Limited DO NOT GUARANTEE that the information on this page is the most up to date information available from the manufacturer, there are times when updated information is released and we are not made aware immediately.