cylinder length thick doors

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There are different mortise cylinder length options depending on the cylinder type. Below is a list of available options for conventional, FSIC, and SFIC cylinders, as well as the convent...
A 1 1/4" mortise cylinder with straight cam (similar to the Schlage B502-191) or a 1 1/2" mortise cylinder with straight cam using supplied spacer collar. Cylinder length does not chan...
A 4040 closer mounted with thru bolts on a 2-3/4" thick door would require 1/4-20 X 3-1/2" machine screws.
Standard Schlage rim cylinders will fit a total thickness of door and projecting trim of 3 inches, this includes a minimum of 3/8" of engagement of the tailpiece into the exit device.  See ima...
For total thickness measurements larger than 3 inches see the special cylinder offerings in Pricebook.  Specify the part number and include the total thickness.  We do not offer the ...
Chexit devices shipped after 8-24-2015 with motor driven: The Chexit device will use a 1 1/4" mortise cylinder with straight cam. Schlage cylinder 20-001-114 recommended. CAUTION: The length of t...
Chexit devices shipped prior to 8-24-2015:The CX device will need a 1 1/4" mortise cylinder with a straight cam per page 2 of the installation instructions. A 996L-M for a 1 3/4...
Typically for a 1-3/4" door you would use a 1-1/4" cylinder.  Use the Table in the Pricebook for a reference: