WMS screw packs lcn

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SRT "Self Reaming, & Tapping" screws are the default type screws shipped with LCN closers, when a specific screw type is not specified.   There are 3 standard lengths of SRT screws: 1-3/8" 1...
 Mounting Posts   Part Number  Door Thickness  L583-211  1 3/8"  L583-212  1 3/4" - See note section on SL1 trim  L583-213  2...
The LCN Thru bolts accept 1/4-20 thread. LCN thru bolts are made of steel with zinc plating.
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.
Torx head screws are only available as machine screws.
The 4040XP, 1260/1261, 1460/1461, 4030/4031 closers have the tri-pack mounting option when ordered with an Rw/PA or Hw/PA designation.