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Standard screws or thru bolts
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Answer
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.:
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 part number for the 99 series NL drive screw?
Resolution:
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...:
What is the standard screw size used on Steelcraft doors with 4 1/2" or 5" hinges?
Resolution:
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 ...:
TBTRX
Resolution:
Thru-Bolt, ‘Torx’ Machine Screws:
FASTENERS
Resolution:
Screws, Thru Bolts, SNB, Sex Nuts & Bolts:
What causes the top rod case to pull away from or strip out of the face of a steel door?
Resolution:
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...:
Do LCN closers come with thru bolts?
Resolution:
The standard screw pack for most 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...:
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/...: