National 4 In. 1/4 In. Radius Brass Spring Door Hinge Pack options:Pack of 1 %search_data%N830322

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and hi-lo threads offer faster drive time and greater resistance to pull out

LiftMaster

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Double shear nailing between beam and post gives added strength

National 4 In. 1/4 In. Radius Brass Spring Door Hinge Pack options:Pack of 1 %search_data%N830322Catalog model No. V521 series. Cold rolled steel. Designed for hanging self closing doors in basements, stairways, garages, and entrances. Can be used in residential, commercial, and apartment buildings. Hinge is UL approved for fire doors. Closing speed is adjustable. Fits standard hinge cutout. 1 4" radius, round corner automatic door closing spring hinge. %search_data%N185207