Ives 3SP1 – 4.5″ x 4.5″ UL Listed Spring Hinge

Usually Ships: 1-2 Days
  • UL Listed (Fire-Rated)
  • For automatic closing of door
  • Includes screws for metal and wood doors

Available Options:

  • Black
  • Bright Brass
  • Bright Chrome
  • Dark Bronze
  • Prime Coat
  • Satin Chrome
  • Satin Nickel
  • Stainless Steel

Ives offers a variety of architectural hinges that will cover any need commercial application while also exceeding code requirements. With tested durability and consistent superior performance, Ives architectural hinges get the job done.

3 Knuckle Spring Full Mortise Hinge

  • For use with fire doors where self-closing is required
  • Maximum door weight 120 lbs, max door width 36″
  • Maximum labeled door size – 3’0″ wide x 7’0″ x 1-3/4″ thick as set in NFPA #80
  • Packed with fasteners for hollow metal and half metal/half wood applications, pin for setting spring tension, adjusting wrench


600 Prime Coat, 630 Stainless Steel, 632 Bright Brass, 640 Oil Rubbed Bronze, 646 Satin Nickel, 651 Bright Chrome, 652 Satin Chrome, F-BLK Flat Black


4.5" x 4.5"


0 .134


1040 steel or 304 series stainless steel

ANSI/BHMA Standard

Certified to ANSI/BHMA A156.4 for performance standards, Meets ANSI/BHMA 156.7 for template hinge dimensions


Medium Duty

Fire Rating

UL listed for use with fire rated doors

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