Standard screws or thru bolts

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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.
Order the M204-198 thru-bolt jig, see Figure 1. Figure 1: M204-198 thru bolt jig The 40-080 was the old Schlage jig. The 030736-000-70 was the old Falcon jig.  When the jig changed to...
The part number for 98/99 series NL Drive Screw is 970441-89. The NL Drive Screw is also available in package of ten, part number 090074-00 NL Drive Screw can't be substitute with a standard sc...
Steelcraft follows the industry standards for hinge reinforcement and preparation for both door and frame. Unless otherwise specified all products prepared for butt hinges will have mounting holes ...
Torx screws are not standard on the SL1/SK1 trim but are available as an option. Specify the L283-121 Torx screw pack.  This pack includes torx screws for the armor and strike. 
Thru-Bolt, ‘Torx’ Machine Screws
Schlage and Falcon double cylinder deadbolts have concealed screws to prevent tampering. The two methods used to conceal the thru-bolts are using screw caps or a faceplate. Use the below instructio...
 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...
Screws, Thru Bolts, SNB, Sex Nuts & Bolts
Hardware falling off a door is caused by one or all of the following issues: Field abuse Improper internal reinforcements in the door Improper field preparation The top or bottom rod case can...
The standard screw pack for an LCN closer is the SRT (Self Reaming and Tapping) screw. Thru bolts are an option, but must be specified on the order. There is no charge for them, but they do need to...
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...