ZB-9SP/DL Windsor Pattern Entry Door Lock in Antique Brass Finish 2 1/2" Backset is used when THUMB LATCH TO THUMB LATCH, both sides of the door.

Entrance door lock with a face plate and strike plate to coordinate with the Windsor suite. This lock comes with a split door knob spindle for the "locked from the outside- unlocked on the inside" function.

This lock matches all of our Windsor cylinder lock & doorknob combination door plates in the distance between the cylinder and the doorknob or thumblatch receiver. Available in three functions:

There is also the ZB-9SP. This lock is used on an entry door, since it has a cylinder lock, when DOORKNOB TO DOORKNOB, both sides of the door.

ZB-9SP/SL is used when one side of the door uses a THUMB LATCH and the other side uses a DOOR KNOB.

Choice of lock function can be chosen from the dropdown menu.

Please note lock cylinder (pictured) and lock spindle are sold separately. See our Lock Cylinder Size Chart to select the correct cylinder length for your door.  Our cylinder part numbers are: L-9CC (1"), L-9C4 (1 1/4"), L-150S (1 1/2"), and L-175S (1 3/4"). 

Lock body measures 5 1/2" tall by 3 5/8" deep. 13/16" thickness.

Lockface is 1" wide by 7 1/8" long.

Center of the lock cylinder to thecenter of the door knob spindle hole is 3 3/4".

Backset is 2 1/2",including the thickness of the face plate.

Distance from the center ofthe bolt throw hole to the center of the door knob spindle hole is 21/2".

Catch plate is 4 7/8" long by 1 7/8".

Product dimension cut sheet can be found here.

Complete the Victorian door hardware with one of our Windsor door plates , like the thumb latch  exterior door plate seen below. If you're using doorknobs, select from many matching doorknobs, such as the fully decorated knob pictured here also, ZB-39K .

If you have a double door, or would just like the extra bolt functionality on your single entry door, we suggest using the following popular door bolts: