Bommer 4310 Series, Single Acting Spring Hinge
- Full mortise
- Steel construction
- Easily adjusted spring tension
- Minimizes cost of installing a door closing device
- Screw hole pattern conforms to ANSI specifications
- Pivot point aligns with hinges of the same size
- Maximum door size:
- Labeled doors: 3'0" x 7'0" x 1-3/4"
- Non-labeled doors: 4'0" x 7'0" x 1-3/4"
- UL listed for fire door applications