Single‑Action Spring Hinge
Single‑Action Spring Hinge - Image 2

Single‑Action Spring Hinge

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Single‑Action Spring Hinge for Residential | Adjustable Tension | UL10C 3‑Hour Fire Rated | ANSI/BHMA A156.17 Grade 1 | 2.7 mm

  • Approx. 2.7 mm leaf thickness; single‑action spring design
  • Adjustable spring tension via hex wrench or tension rod
  • 2 anti‑friction ball bearings for smooth return and longer service life
  • Meets ANSI/BHMA A156.17 Grade 1; up to 1,000,000 cycles
  • UL10C fire‑rated up to 3 hours
  • Corner options: square, 1/4″ radius, 5/8″ radius
  • Sizes: 4″×4″, 4″×4.25″, 4″×3.5″, 4″×3″
  • Materials/finishes: stainless steel or steel; US15, US26, US4, US10B, US19, US14
  • Supplied with machine/wood screws

Description

Designed for residential and light‑duty openings that must reliably self‑close, this single‑action spring hinge combines Grade‑1 durability with precise, field‑adjustable spring tension. Two anti‑friction ball bearings stabilize the knuckle for smooth, controlled closing and reduced wear. UL10C certification up to 3 hours supports fire and smoke door compliance in corridors and garages. Available in square or 1/4″/5/8″ radius corners across popular 4‑inch formats, the hinge ships with machine and wood screws for quick, code‑compliant installation. Choose stainless steel or steel construction and match your décor with architectural finishes like satin nickel, polished chrome, oil‑rubbed bronze, flat black, polished nickel, and satin brass.

 

Hinge Type Single action spring hinges for residential
Hinge Size (Length X Width) (inch) 4″x4″, 4″x4.25″, 4″x3.5″, 4″x3″
Hinge Thickness 2.7mm
Material Stainless Steel / steel optional
Bearings 2 Anti Friction Ball Bearing
ANSI/BHMA Standard Meets ANSI/BHMA A156.17 Grade 1 Self-closing hinges, up to 1,000,000 times cycle test
Usage For use with doors where self-closing is required
Fire Resistance UL10C, Approved up to 3 hours
Corners Available in square and in 1/4″, 5/8″ radius corners.
Spring Tension Spring tension can be adjusted with hex wrech or tension rod
Finishes
SATIN NICKEL US15
POLISHED CHROME US26
SATIN BRASS US4		 OIL RUBBED BRONZE US10B
FLAT BLACK US19
POLISHED NICKEL US14
Screws Supplied with machine/wood screws

 

SKU: HSSAB-4×3.5x4″×3″ Category: Brand:

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