Skip to main content

Loctite 577 Anaerobic Sealant in various sizes

Loctite 577 Anaerobic Sealant in various sizes
Loctite 577 is a medium-strength, general purpose thread sealant for straight/straight and straight/taper threads and fittings. 
From £23.81 excl VAT
£28.57 inc VAT
to view stock levels and prices please select product option

Please select a size.

Limited Quantity: 5L
Commodity Code: 35061000
Country of Origin: Ireland

Loctite 577 is designed for the locking and sealing of metal pipes and fittings as well as other threaded assemblies. The product provides an instant, low-pressure seal for metal pipes and fittings. It will not creep, shrink or shred. It has excellent chemical and thermal resistance and offers less migration of liquid product after application.


  • Higher strength on contaminated surfaces
  • Improved thermal performance
  • High performance on passive metals without an activator
  • Medium-strength, general purpose thread sealant for sealing metal threads
  • Suitable for all metals
  • Instant low pressure seal
  • Excellent chemical resistance
  • Locks connection against vibration-induced loosening and other stresses
  • Easy to apply


  • Loctite 577
  • Anaerobic Sealant

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, orders placed through the office will incur additional charges.** 

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.

Document Downloads
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.