BHMA A156-7:2003 pdf download

BHMA A156-7:2003 pdf download.AMERICAN NATIONAL STANDARD FOR TEMPLATE HINGE DIMENSIONS
2.1 Scope: This Standard covers the requirements for the length, width, thickness, offset, and screw hole spacing for builders template hinges. Included in the standard are hinge identification symbols and screw sizes. Methods for identifying template hinges that conform to the Standard are provided.
2.2 Classification: This Standard covers the following types of builders template hinges:
2.2.1 Full mortise hinge - A hinge designed for mortising into the butt edge of the door and into the rabbet edge of the door frame. Used generally with steel frames and steel doors.
2.2.2 Full surface hinge - A hinge designed to be applied to the surface of the door and the surface of the door frame. Used generally with channel iron frames and metal covered doors.
2.2.3 Half mortise hinge - A hinge designed to be mortised into the butt edge of the door and applied to the surface of the door frame. Used generally with channel iron frames and steel doors.
2.2.4 Half surface hinge - A hinge designed to be applied to the surface of the door and mortised into the rabbet edge of the door frame. Used generally with steel frames and metal covered doors.
2.2.5 Slip-in hinge - A hinge designed for one or both leaves to slide into a cavity prepared in a door or door frame thus concealing one or both hinge leaves. Used generally with aluminum frames and doors.
2.2.6 Swing clear hinge - A hinge designed to swing a door completely clear of the opening when the door is opened 90 to 95 degrees. It can be full mortise, full surface, half mortise or half surface. Used generally with frames and doors as described in 2.2.1 through 2.2.4 as applicable.
3.REQUIREMENTS
3.1 General: Products represented as complying with this Standard shall meet all of the requirements specified herein.
3.2.1 Variable dimensions: The offset dimensions and machine screw sizes are included with the template dimensions for each hinge. Hinges that are represented as conforming to this Standard and which comply with the template dimensions but vary in the recommended screw sizes, shall be accompanied by information clearly describing the variation. The off-sets shown herein for half surface, half mortise and all swing clear hinges may be smaller or greater according to the individual manufacturer's regular practice, provided that the widths of affected leaves are changed to conform with any increase or decrease in offset. The template dimensions shall not be affected by such modifications.BHMA A156-7 pdf download.

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