A550HD Aluminum Continuous Gear Hinges Half Surface

A550HD Aluminum Continuous Gear Hinges Half Surface

Standard/Heavy Duty Half Surface
$0.00

  • Half surface, heavy duty
  • For double egress and center hung conversions
  • 48" door width maximum
  • 450 lbs. door weight maximum
  • Fasteners: 12-24 X 7/8" undercut self drilling, thread-forming tek machine screws for frame and 1/4-20 sex bolts and shoulder bolts for door
  • Standard Lengths: 79", 83", 85", 95" and 120"
  • Finishes: Clear, dark bronze and black anodized
  • Fire Rating
    • Approved for use on metal swinging type fire doors rated up to and including 90 minutes (Specifiy "FR" option for 3 hour rating)
    • Approved for use on wood swinging type fire doors rated up to and including 60 minutes (Specifiy "FR" option for 90 minute rating)
  • "PT" - Cut-out Prep for Power Transfer
  • "CUT" - Cut to Custom Length
  • "SPLICE" - Spliced Hinge
  • "HT" - Hopsital Tip
  • "TR" - Tamper Resistent
  • "SEC" - Fasteners
  • "FR" - Fire Studs
  • "SC" - School Cap
  • "LL" - For lead-lined door applications
  • "DD" - Dutch Door Prep
  • "SL" - Sheared Leaf
  • "SNB for 1-3/8"" Shortened bolts to accomodate a 1-3/8" thick door
  • "CUSTOM HOLE" - Custom hole locations
  • "NO HOLE"
  • "CUSTOM FINISH"
Product tags