BEST 7KC3-7-0Y, 73K Exit Cylindrical Lever Lockset, 2 3/4" Backset, 4 7/8" Strike, Y Function, Furnished SFIC Less Core.

The BEST 7KC3-7-0Y, 73K Exit Cylindrical Lever Lockset is known for its quick rekeying with BEST interchangeable cores and has a cylindrical chassis to fit common door preparation. This series is also ADA compliant, title III.
- Backset– 2 3/8" for 72KC Series; 2 3/4" for 73KC Series; 3 3/4" for 74KC Series; 5" for 75KC Series.
- Finishes– 605– bright brass, 606– satin brass, 612– satin bronze, 613– oxidized satin bronze, oil rubbed, 625– bright chromium-plated, 626– satin chromium plated
- Interchangeable core– Solid brass, pin-tumbler type in lever with 7-pin core. Best Patented Keying System optional.
- Latch– 1/2" throw deadlocking latch. Front: 2 1/4" x 1 1/8" x 5/32" standard for 2 3/4" backset; 2 1/4" x 1" x 5/32" for 2 3/8" backset.
- Lever– 5 1/4" long handle with the return. Projection on door 2 1/2". Zinc base, plated to match finish.
- Material– Component parts include brass, bronze, or zinc. Internal parts are zinc dichromate steel.
- Mounting– 2 1/8" diameter bore for lock housing, 1" diameter for latch tube.
- Rose– D– 3 1/2" diameter mounting screws concealed.
- Strike– STK (standard)– 2 3/4" x 11/8" with curved lip & box. (ANSI A115.2 for 1 3/8" doors). S3– 4 7/8" x 1 1/4" with curved lip & box. (ANSI A115.2 for 1 3/4" doors).
- Door thickness– 1 3/8" to 2".