what is throw

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The Schlage ND is shipped with a driver/tailpiece when ordered with a LD, BD, or JD suffix.
The standard latch projection is 1/2".  Falcon also offers a 3/4" throw with a 2-3/4" backset.
EPT can be used on following hinges: Degree of the opening Hinge type Door thickness 0-180 degree Up to 5" butt hinges 1 3/4" 0-180 degree Up to 3/4" offset pivots 1 3/4" 0-130 degree 5 1/2"...
See related solution: Can an EPT be used with Cam Lift Hinges?
The ND-Series RX,  the L-Series RX and latch monitoring switches are Form C - Single Pole Double Throw (also known as SPDT).
The following list explains the differences between the Von Duprin 47 and 48 latch assemblies. The 47 top and bottom latches have 5/8" throw latchbolts. The 48 top and bottom latches have 3/4" ...
After installing a classroom deadbolt, there is potential for the thumbturn to project the bolt only, get stuck in one position, or move both directions but not move the bolt.  These are caused fro...