STANLEY 3.5" x 3.5" Mortise Spring Hinge with 5/8" Radius Corners - Single Hinge

This graceful product combines the desired durability and function with discrete beauty and intelligent design that can only be found in a Stanley smooth acting spring hinge. Features: Sold as Single Hinge Spring Hinge Residential Strength Removable Pin: No Meets NFPA80 Standard for 3 hour fire rated doors – minimum 2 spring hinges per door required 5/8" Radius Corners Traditional / Classic Theme Arc Hole Pattern Spring Hinge : These single action hinges are fitted with springs in the barrel to bring an open door back to a closed position automatically. Great where door space is at a premium and door closers are impractical. With double action hinges, the door is able to move in either direction. Material - Steel : Steel is cheap strong and durable making it a favorite for hinges of all types. Though it is more prone to rusting than solid brass or stainless steel. Mounting : The standard corners for mortised door hinges are 1/4" radius, 5/8" radius and square corner. It is recommended that three hinges be ...