ABH A520HD Heavy Duty Aluminum Continuous Gear Hinge - Half Mortise Design for Smooth Door Operation - Perfect for Commercial Doors, Glass Doors, and Cabinets

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Half Mortise, Heavy Duty
5/64" Door Inset
48" door width maximum
450 lbs. door weight maximum
Average weight per unit = 12 lbs
Fasteners:
12-24 X 3/4" undercut self drilling, thread forming tek machine screws
Standard Lengths:
79", 83", 85", 95" and 120" + Custom Sizes Available
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
Reinforcement:
- Door Side: Not required for door weight up to 200 lbs. ABH recommends a minimum 12 gauge plate/channel for heavier doors.
- Frame Side: Not required for door weight up to 200 lbs. For doors more than 200 lbs., a 16 gauge channel is recommended.

"PT" Electrical Power Transfer Prep (Specify Electrical Power Transfer Model, Location & Handing
"FR" Fire Studs
"WEDGE-HS" Adjustable Safety Wedge for Half Surface Models
"LR-BEAR" Ligature-Resistant Bearings
"DD" Dutch Door Prep
"SEC" Fasteners
"CUT" Cut to Custom Length
"TR" Tamper-Resistant (Hospital Tip, Every Other Bearing has a Set Screw) & Security Fasteners (Specify Door & Frame Material)
"SC" School Cap
"SPLICE" Spliced Hinge
"SL" - Sheared Leaf
"THICK" Special Door Thickness
"CUSTOM HOLE" Custom hole locations
"CUSTOM FINISH"