Interlock 4-BC Series Friction Stays
A premier range of 4-bar friction hinges (stays) used for the support and frictional control of projecting side hung sashes. Manufactured from 304 grade austenitic stainless steel.
Features
- A comprehensive range to cater for most applications.
- Manufactured with the unique "pull in" feature.
- No sliding channels.
- Factory set friction levels.
- Incorporates the patented Interlock friction bearing.
Interlock 4-BC Series Friction Stays