National Hardware S849-711 N350-827 Stanley Spring Door Hinge 3-1/2 Inch 1/4 Radius Oil Rubbed Bronze
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3-1/2 Inch spring adjustable self closing door hinge, manufactured with cold rolled steel, closing speed is adjustable, fits standard cutouts, tension is adjustable, 1/4 inches radius round corners. Hinge is UL approved for fire doors which must use a minimum of 2 spring and one conventional hinge per door. Doors weighing up to 50 pounds require 1 spring hinge, doors up to 85 pounds require 2 spring hinges. Doors up to 110 pounds require 3 spring hinges. Conforms to ANSI/BHMA Standard A156.17-2004. *NFPA-80 requires fire labeled doors to have a minimum of 2 spring hinges. NOTE: All hinges must have pivot points aligned for smooth operation. Always use same hinge sizes.
30 Pounds Per Hinge
Oil Rubbed Bronze
Cold Rolled Steel
1/4 Radius Spring Door Hinges
3-1/2 by 3-1/2 Inch
ANSI BHMA NFPA80 UL
Metal or Wood Doors & Frames
Item can be shipped anywhere in the US including APO/FPO addresses and territories.
Item can be shipped anywhere in Canada including the territories.