- Half Mortise, Heavy Duty
- 5/64" Inset
- 48" door width maximum
- 450 lbs. door weight maximum
- Average weight per unit = 12 lbs
- Fasteners: 12-24 X 7/8" undercut self drilling, thread forming tek machine screws
- Fire Rating
- Approved for use on metal swinging type fire doors rated up to and including 90 minutes
- Approved for use on wood swinging type fire doors rated up to and including 60 minutes