WHAT DOES GD MEAN

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Schlage B500The D500 series non-IC will fit onto a 1 3/8" thick door out of the box with no additional parts.The D500 IC option (B, BDC, GD, HD) requires a shim kit, 36-071 for use on 1 3...
On ND locks manufactured on or after January 30, 2017 only the SFIC lever and SFIC driver are needed to convert the lock from Full Size conventional (PD) or Full Size IC (JD, RD, TD) prep to S...
On ND locks manufactured prior to January 30, 2017, the lever, spring cage and tailpiece needed to be replaced with the SFIC lever, SFIC spring cage and the SFIC driver . N123-056 - Outside sp...
The letters GD, HD, BD, or BDC should be put after the lock function. EXAMPLE: ND53BD GD = Schlage SFIC core HD = Construction core BD = Less core BDC = Plastic temporary construction core
The L9000 lock can be ordered for doors greater than 1 3/4" thick.  The allowable door thickness is dependent on the L lock function and how the lock is extended.  All locks for exte...