The 4048 is an extra heavy-duty solid welded steel twist chain designed for heavy commercial doors. Heavy cast brass plates with heavy compression springs at each end.
- Extra heavy duty solid welded steel twist chain.
- Cast brass plates.
- Heavy compression springs at each end.
- 33-3/4" overall length.
- 4048 Crash Chain
- Commercial & Industrial Buildings
- Government & Military Facilities
- Multifamily & Mixed-Use
- Office Buildings
This product meets the following standards.