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Are machine screws better than SRT screws?
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Question
Answer
What are the SRT screws lengths used with LCN Closers?
Resolution:
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/...:
What length SRT screw is used for mounting the body of a 1461 closer?
Resolution:
The SRT screw that is used for mounting the 1461 closer body is 1 3/8" long.Four screws are used to mount the closer body.:
Can SRT screws be used in a wood door or frame?
Resolution:
LCN "does not" recommend the use of SRT screws is wood doors. LCN "only" recommends the use of Wood Screws in wood doors and frames, as noted on the installation instructions.:
What is the part number for the 88 series dogging screw?
Resolution:
The part number for 88 series dogging screw is 090004 (package of two) and 090083(package of ten).:
Has the wedgetite screw for the 55/88 devices ever changed?
Resolution:
The old wedgetite screw had a fine threads and was redesigned in late 1970's. The part number is 091082-00 (package of 10). :
Does the Von Duprin E996L trim require the NL drive screw be installed into the device to function properly?
Resolution:
Von Duprin 98/99 NL drive screw is located in back of the 98/99 center case assembly. NL drive screw should be left in with trim lock slide plate in up position in the 98/99 exit device with E99...:
What size machine screws are used with thru bolts and a 2-3/4" thick door and a 4040 closer?
Resolution:
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.:
What is the thread size on LCN thru bolts?
Resolution:
The LCN Thru bolts accept 1/4-20 thread. LCN thru bolts are made of steel with zinc plating.: