Interlock Window Friction Stay
4-BC Series 430

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 leaves the warehouse in 4 business days after payment is made.

  • A premier range of 4-bar friction hinges (stays) used for the support and frictional control of projecting side hung (PSH) aluminium, timber or uPVC 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.


  • A comprehensive range to cater for most applications
  • Manufactured with the unique "pull in" feature
  • Non-handed
  • No sliding channels
  • Factory set friction levels thus no on-site adjustment necessary
  • Incorporates the patented Interlock friction bearing
  • Sold in pairs


  • Max Sash Height: 1000mm
  • Opening Angle: 90 Degrees
  • Max Sash Weight: 40kg
  • Fixing Surfaces: Timber, Metal
  • Finish: Stainless Steel
  • Dimensions: shown in images
Brand Interlock