Interlock Window Friction Stay
4-B Series 500

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 4 business days after payment is made.

  • A premier range of 4-bar friction hinges (stays) used for the support and frictional control of projected top hung (PTH) sashes.
  • Manufactured from 304 grade austenitic (non-magnetic) stainless steel, the range caters for the sizes and weights of sashes normally associated with residential or light commercial applications.


  • Non-handed
  • Manufactured with the unique feature
  • No sliding channels
  • Factory set friction levels mean no on-site adjustment is required
  • Fixed directly through the bearing eyelet as well as through the formed screw or rivet holes
  • Incorporates the Interlock patented frictional bearing
  • Sold in pairs
  • Max Sash Height: 1800mm
  • Opening Angle: 25 Degrees
  • Max Sash Weight: 30kg
  • Fixing Surfaces: Timber, Metal
  • Finish: Stainless Steel
  • Dimensions: shown in images
Barcode # 2000000034393
Brand Interlock