- Full Concealed, heavy duty
- For use on 1-3/4" thick doors
- Used on frames wth Snap-On Trim - No Reveal
- 450 lbs door weight maximum
- Continuous frame reinforcement required - provided by frame manufacturer
- "LL" model for doors up to 1,000 lbs (lead-lined staggered hole pattern)
- 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 mintutes
- Approved for use on wood swinging type fire doors rated up to and including 60 minutes