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extended throw nd
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Answer
How long is the ND tailpiece for a thick door?
Resolution:
Schlage ND-Series tailpieces for extended doors are available by only two means, but are not available to order separately. If an extended tailpiece is needed, then a complete lock ...:
Can an ND lock with SFIC cores be extended to fit a 3" extended outside door?
Resolution:
ND locks can be extended up to 6" Extended Outside. :
Fire Rating for AD and CO locks
Resolution:
The AD and CO locks both have a 3 hour fire door rating. Please see URL for more info. UL Fire Rating List:
What parts are modified when ordering an ND extended lock?
Resolution:
Only the chassis components are modified for thicker door applications, the lever and spindle assemblies remain intact. The following parts may be modified depending on the function of the lock ...: