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Double Action Spring Hinge Self-Closing describes a Sugatsune America hinge that uses spring loading to close a door or panel after it is opened, which helps return the door to its resting position without additional hardware. The hinge is a double action spring hinge, so it is designed to operate as part of a system where movement in more than one direction needs controlled closing, supporting traffic flow while still bringing the door back. The hinge measures 7-1/16 inches long and 5-1/4 inches wide, giving a broad mounting footprint that spreads load across the door and frame surface. Its anodized finish provides an aluminum-based surface treatment that stands up to normal handling and contact, helping the hinge keep a consistent appearance in service areas. As a specialty hinge, it fits projects that call for spring-driven, self-closing performance instead of standard butt hinges.
This double action spring hinge is classified by Sugatsune America as a double action spring hinge, so it is aimed at jobs where you want controlled swing motion with a return to center. The adjustable spring tension lets you respond to on-site conditions by increasing or reducing return force, which is useful when doors vary in size or usage. The overall 7-1/16 inch by 5-1/4 inch size gives room for the 8 mounting holes, supporting a solid interface between the hinge and the door material. Because the hinge is spring loaded for self-closing, it plays both structural and motion-control roles in the installation, simplifying the hardware layout. The anodized surface aligns with the SAP description calling out aluminum, providing a consistent look where matching aluminum-tone hardware matters.
This hinge sits in the Hinges and Specialty Hinges category, placing it in applications where a standard hinge does not provide the desired motion or return behavior. Being a double action spring hinge, it is suited to layouts that benefit from a swinging movement supported by springs that close the door again. The 7-1/16 inch length and 5-1/4 inch width are sized for doors or panels that can accept a larger hinge footprint, which helps spread operational loads. Eight holes run through the hinge leaves, so fastening can be distributed along the length to support alignment. The eight knuckles form a long barrel that guides the swing, giving a defined pivot axis that works with the internal springs. With Sugatsune America as the brand and JDA-180-40A as the manufacturer part number, this hinge ties directly into a known double action spring hinge product class used by woodworking professionals. The anodized finish complements cabinetry and millwork that use similar aluminum-toned components, allowing the hinge to blend into visible hardware layouts.
The spring loaded, self-closing design means the hinge actively returns the door or panel after opening, which supports repeatable closing without manual effort. Adjustable spring tension lets installers dial in the closing behavior so doors move at a practical speed, which matters where traffic and door weight vary. The eight knuckles distribute motion along the hinge barrel, helping maintain alignment between leaves during repeated cycling. Eight holes in the leaves create multiple fastener locations, which supports a firm grip on both the frame and door to keep the hinge seating consistent over time. The 7-1/16 inch by 5-1/4 inch size provides space for the spring mechanism while still presenting a flat mounting surface that can line up with common door edge and jamb layouts. The anodized aluminum-related finish supports a stable outer surface for the hinge body, so contact points at the barrel and leaves work against a treated metal surface that stands up to routine use in woodworking environments. Combined, these details give the double action spring hinge the mechanical foundation needed for predictable, repeatable self-closing behavior in daily service.
The JDA-180-40A is a Sugatsune America double action spring hinge, so it provides spring-driven movement that supports self-closing in a specialty hinge application.
The spring loaded self-closing function uses internal springs to return the door after opening, which simplifies hardware layouts where automatic closing behavior is needed.
This hinge has adjustable spring tension, so the closing force can be set to suit the door weight and desired return behavior on the project.
The hinge measures 7-1/16 inches long by 5-1/4 inches wide, providing a broad mounting area that helps distribute loads and support stable operation.
The hinge has 8 holes and 8 knuckles, so it spreads fasteners along the leaves and uses a long barrel to guide repeated swinging movement.
The hinge is described as anodized and ties to an aluminum-based SAP description, which suits projects calling for an anodized aluminum-style spring hinge.
The Sugatsune America double action spring hinge with adjustable spring tension, 7-1/16 inch length, 5-1/4 inch width, and anodized finish gives woodworking professionals a defined solution when self-closing motion is required. Its 8 holes and 8 knuckles support stable, guided swing in service. For projects that call for a specialty double action spring hinge identified by part number JDA-180-40A, this model from Wurth Baer Supply aligns the needed self-closing function with a hinge sized and configured for demanding shop and jobsite work.
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