SA81 Single Acting Spring Hinge

Trudoor Verified independent store

→

PBB SA81 Single Acting Spring Hinge PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standar ds Institute (ANSI). Single-acting spring hinge is designed for 1-3/4" stock hollow metal or wood doors Permits doors to open in single direction and automatically return to the closed position Pivot points do not align with standard full mortise hinges All hinges are ANSI template SA81 – 6.0″ X 4.5″ / 6.0″ X 6.0″ / 6.0″ X 7.0″ It is advisable to use three hinges on a door. The center hinge should be installed as close as possible to the top hinge for maximum support. Hinge capacity decreases as door height decreases. Show more