National Hardware N236-013 Adjustable Steel Spring Hinge, Prime Coat, 4-1/2" BackToSchool 4-hole installation

4-hole installation

Stainless steel interior parts & a pressure activated ball groove system for rapid loading & strong retention

the lower surface has a split-release silicone release backing for ease of application

Made from 4 mil plastic sheeting

room darkening

National Hardware N236-013 Adjustable Steel Spring Hinge, Prime Coat, 4-1/2" BackToSchool 4-hole installationNational Hardware 2060R Adjustable Spring Hinge is ideal for use in corridors, entrances and stairways. Automatically closes door an alternative to overhead mounted door closers. Patented ratchet adjustment eliminates need for adjustment locking pin. Meets NFPA8 standard for 3 hour fire rated doors minimum 2 spring hinges per door required. UL listed for doors up to 4' x 8' weighing up to 180 lbs. Conforms to ANSI BHMA standard A156. 17, Grade 1.