Spring Hinge Full Mortise, Square Corner, 4.5in x 4.5in (4545), Ferrous Steel Base, 605/US3 Bright Brass

Stanley Hardware

For labeled fire doors, stairwell doors, motel and hotel guest room doors, apartment unit entrance doors. Meets NFPA80 standard for 3 hour fire doors (NFPA-80 stipulates minimum of 2 spring hinges shall be used on labeled doors). 4 1/2″ (114mm) size – UL listed for door up to 4′ x 8′ (1219 x 2438mm). 4″ (102mm) size – approved for door up to 3′ x 7′ (914 x 2134mm). 3 1/2″ (89mm) size – approved for door up to 2′ 8″ x 7′ (813 x 2134mm). Lifespan Limited lifetime warranty for the life of the building. Internal ratchet mechanism eliminates loose adjustment pins. Closing power is adjustable up or down. Excellent alternative to more expensive overhead mounted closers

Features:

• For labeled fire doors, stairwell doors, motel and hotel guest room doors, apartment unit entrance doors.
• Meets NFPA80 standard for 3 hour fire doors (NFPA-80 stipulates minimum of 2 spring hinges shall be used on labeled doors)
• 4-1/2″ (114mm) size – UL listed for door up to 4′ x 8′ (1219 x 2438mm)
• 4″ (102mm) size – approved for door up to 3′ x 7′ (914 x 2134mm)
• 3-1/2″ (89mm) size – approved for door up to 2′ 8″ x 7′ (813 x 2134mm)
• Lifespan Limited lifetime warranty for the life of the building
• Internal ratchet mechanism eliminates loose adjustment pins
• Closing power is adjustable up or down
• Excellent alternative to more expensive overhead mounted closers
• Hinges can be furnished as follows:
• With decorative tips
• With electric switches (CS) – 4-1/2″ (114 mm) only
• Special screw hole pattern
• Packed with: Wood and machine screws
• No pins required
• Option Available: Radius corners (RD)

Finishes:

• US3/633 – Bright brass
• US26D/652 – Satin chrome