National Hardware N226-399 Steel Adjustable Spring Hinge, Prime Coat,
Description
National Hardware #520 Spring Hinge is manufactured with cold-rolled steel. Closing speed is adjustable. Fits standard hinge cutout. Tension is adjustable. Square corners. UL approved for fire doors.
- Size: 4-1/2"
- Finish: Prime coat
- Material: Steel
- Safe Working Load (SWL): 50 lbs
- Closing speed is adjustable
- Fits standard hinge cutout
- Tension is adjustable
- Square corners
- Hinge is UL approved for fire doors.