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  • Ives 3CB1 4.5" x 4.5" NRP
  • Three Knuckle Concealed Bearing Standard Weight Full Mortise Butt Hinge Non-Removable Pin
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Catalog Cuts / Specs

Size = Height x Width
Non-Removable Pin

  • Recommended for medium weight doors (less than 150 lbs)
  • Recommended for medium-frequency usage (less than 400 cycles per day)
  • Made with two concealed nylon bearings
  • Recommended for use with a door closer
  • Packed with fasteners for hollow metal and wood doors:
    • 12-24 x 1/2 UFPHMS, 12 x 1 1/4 FPHWS
    • 10-24 x 1/2 UFPHMS, 10 x 1 FPHWS (3.5x3.5 hinge size only)
  • Certified to ANSI/BHMA A156.1 for performance standards
  • Meets ANSI/BHMA 156.7 for template hinge dimensions
  • UL Classified for windstorm rated assemblies - R37965
  • UL Listed, 3 hour fire doors
  • Made from 1040 steel or 304 series stainless steel

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