Stainless steel single‑action spring hinge with dual flat leaves and top tension adjustment slot, self‑closing
Technical drawing of a tension‑adjustable single‑action spring hinge indicating overall height H, width W, thickness T and template screw positions
Specification sheet for stainless steel tension‑adjustable single‑action spring hinge in 4″ and 4.5″ sizes, 2.0–3.4 mm thickness

Architectural Stainless Steel Single‑Action Spring Hinge | Dual Flat Leaves with Tension Adjustment | SS304/201 | Satin/Polished/AB/AC/PVD

  • Type: single‑action spring hinge (one‑way spring return, tension‑adjustable)
  • Size range (H × W × T):
    • 4.0″ × 3.0″ × 2.0/3.0 mm
    • 4.0″ × 3.5″ × 3.0 mm
    • 4.0″ × 4.0″ × 2.5/2.7/3.0/3.3 mm
    • 4.5″ × 4.0″ × 3.4 mm
    • 4.5″ × 4.5″ × 3.4 mm
  • Material: stainless steel (SS304/201)
  • Design: dual flat leaves; spring‑loaded knuckle with top tension slot; template screw layout
  • Finishes: Satin Stainless (SSS), Polished Stainless (PSS), Antique Brass (AB), Antique Copper (AC), PVD
  • Applications: room doors and wooden gate doors; residential/light commercial
  • Highlights: adjustable self‑closing, minimalistic look, quiet operation, durable stainless build, repeatable installation
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Description

Purpose‑built for smooth self‑closing without a separate door closer, this stainless‑steel single‑action spring hinge pairs two clean, rectangular leaves with an internal, adjustable spring. The visible top tension slot enables fine tuning for door weight and closing force. With SS304/201 construction, a template screw pattern, and coordinated finish options, it delivers quiet performance and long service life on residential and light‑commercial wooden doors.

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Akada Hardware specializes in a wide range of high-quality hardware solutions for both wooden and metal doors. Our product line includes stainless steel as well as composite metal products, all designed to provide strength, durability, and modern aesthetics.

Akada’s products include Door Locks, Door Hinges, Lever Handles, Door Closers, Panic Exit Devices, Door Stoppers, Flush Bolts, and more. These products are tested to the most rigorous international standards, including CE, UL, BS EN, ANSI, and BHMA. Whether for residential, commercial, healthcare, hospitality, or educational applications, Akada hardware is engineered for top performance and reliability.

More door hardware items include:
1、Stainless Steel & Composite Metal Door Hinges – UL Listed, Fire Rated & CE Certified
2、Door Locks – CE EN12209, Fire Rated
3、Stainless Steel & Composite Metal Door Handles – BS EN 1906 Certified
4、Panic Exit Device – UL Listed & CE Certified
5、Door Closers – CE BS EN 1154 Certified
6、Glass Hardware / Bathroom Hardware – Combining elegance with functionality for residential and commercial use.

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