Interlock Window Friction Stay
A Series 500

Sold in Pairs

PLEASE NOTE: This item is Non-returnable. Upon placing your order, it CAN'T be cancelled or returned (unless faulty or damaged)

This is a non-stocked item which has a handling time of Twenty (20) Business days after payment is made.

This complete range of 4-bar friction stays manufactured from extruded Aluminium provides support and control of standard weight projected top hung (PTH) sashes. The A-Series friction hinges (stays) are manufactured from extruded aluminium and have no sliding channels.


  • A complete range to cater for most residential applications
  • No sliding channels
  • Manufactured with the unique “pull-in” feature
  • Factory set friction levels thus no on-site adjustment needed
  • Black powder coated aluminium finish
  • Incorporates the patented Interlock friction bearing
  • Supplied in pairs


  • Function: Full Friction
  • Max Sash Height: 1300mm
  • Opening Angle: 27°
  • Max Sash Weight: 12kg
  • Fixing Surfaces: Timber, Metal
  • Dimensions: shown in images
Brand Interlock