Pemko _HM_ Half Mortise Hinge

Standard Duty Anodized Aluminum Continuous Geared - designed mainly for retrofit work and are applied to the exposed surface of the frame and the door edge. Also available in heavy duty.

  • Designed to require only 1/8" clearance instead of 5/16" and also allow for adjustments to properly align the edge of the door to the frame face.
  • BL (Black Anodized) and PW (Painted White) are special finishes available upon request.
  • Fasteners - Frame portion - All fasteners are #12-24 x 7/16" Phillips Head Type C, threadforming.
  • Standard model: 12 fasteners required for each leaf.
  • Fasteners - Door Portion - All fasteners are #12-24 x 7/16" FHUC, Type C, threadforming.
  • Standard model: 16 fasteners required for each leaf.
  • Wood screws available on request (specify on order).
  • Standard duty hinge. 6" between bearing centers.
  • Standard duty hinges conform to Grade 3-150 and Grade 3-300 cycle requirements per BHMA standard ANSI/BHMA A156.26-2006.
  • Tested and certified by Underwriters Laboratories Inc. (USA and Canada) to standard UL10B, UL10C and UBC 7.2 (positive pressure) for up to a 3-Hour (A-Label) fire listing for all 4 ft. 0 in. x 10 ft. 0 in.
  • and 8 ft. 0 in. x 10 ft. 0 in. door and frame assemblies. Fire listing certifications apply to all approved hollow metal and wood door assemblies in drywall or masonry construction.
  • Aluminum continuous hinge for use on swinging type fire doors of the hollow metal, tin-clad, sheet metal and steel covered composite type rated up to 3 hours, wood covered composite type rated up to and including 1-1/2 hours. Also wood core rated up to and including 20 minutes without hose stream.
  • All hinges meet criteria of UBC 7.2 for positive pressure.
  • Special FirePins are only required on 3-Hour (A-Label) assemblies.
  • Certain door and frame conditions may require an extra 1/32"-1/16" clearance. Excessive clearance on fire rated assemblies may violate the requirements for NFPA 80.
  • PemkoHinge® products are guaranteed for the life of the opening against defects in material or workmanship wit hthe exception of AL, RS, standard duty and Grade 3 hinges, which carry a 10 year warranty.
  • Weight bearing (per BHMA standard ANSI/BHMA A156.26-2006) for standard models: 83" and 85" = 14 bearings, door weight = 280 lbs.; 95" = 16 bearings, door weight = 320 lbs.; 120" = 20 bearings, door weight = 400 lbs.
  • Special hinge reinforcements are not required. Hollow metal door and frame manufacturers’ standard is acceptable. Removal of hinge reinforcements in the door and frame is not advised.
  • Width: 5/32” (3.9 mm) (between jamb leaf and door leaf edge).
  • Width: 1-7/32” (30.9 mm) (jamb side - leaf).
  • Cap Width: 25/32” (19.8 mm).
  • Height: 3/4” (19.1 mm) (to top cap - jamb side).
  • Height: 3/4” (19.1 mm) (to top cap - door edge side).
  • Height: 1-19/32” (40.5 mm) (to flange - door edge side).


BHMA Certified BHMA Certified

Fire Rated - UL10C - Positive Pressure Fire Rated - UL10C - Positive Pressure

PemkoHinge Fire Rating - UL76Y2 PemkoHinge Fire Rating - UL76Y2


BL - Black BLHM: BL - Black Anodized Aluminum, (Special Order Finish)

C - Clear CHM: C - Clear Anodized Aluminum

D - Dark Bronze DHM: D - Dark Bronze Anodized Aluminum

PW - Painted White PWHM: PW - Painted White Aluminum, (Special Order Finish)

SN - Satin Nickel SNHM: SN - Satin Nickel Anodized Aluminum, (Special Order Finish)

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