34+ Push Bar Window Hardware Pics. A crash bar (also known as a panic exit device, panic bar, or push bar) is a type of door opening mechanism which allows users to open a door by pushing a bar. The top countries of suppliers are china, taiwan.
The top countries of suppliers are china, taiwan.
This style of window replacement hardware parts is a telescopic style: Telescoping push bars for wood and aluminum windows. While originally conceived as a way to prevent crowd crushing in an emergency. The 9 arm telescopes up to 141/2 to provide extended window opening.