F51 Entrance Lock (Latitude)
F51 ANSI F81
Entrance Lock
Unlocked by key from outside when
outer knob is locked by turn-button
in inside knob. Inside knob/lever
always unlocked.
F Functions - ANSI A156.2, Series 4000, Grade 2
• Radius and circular face plates for F10/F40 functions
• Radius, square, and circular face plates for F51, F358 function
• 6 pin solid brass cylinder, keyed 5 pin
• Universal backset either 2-3/8” or 2-3/4”
• 1-3/8” - 1-3/4” thick door
F51 ANSI F81
Entrance Lock
Unlocked by key from outside when
outer knob is locked by turn-button
in inside knob. Inside knob/lever
always unlocked.
F Functions - ANSI A156.2, Series 4000, Grade 2
• Radius and circular face plates for F10/F40 functions
• Radius, square, and circular face plates for F51, F358 function
• 6 pin solid brass cylinder, keyed 5 pin
• Universal backset either 2-3/8” or 2-3/4”
• 1-3/8” - 1-3/4” thick door
Shipping & Delivery
We are committed to getting your order to you as quickly as possible. Below is an overview of our standard shipping timelines.
In-Stock Items
Orders for in-stock items are processed and shipped within 24–48 hours of order placement. You will receive a shipping confirmation with tracking information once your order has been dispatched.
Out-of-Stock / Special Order Items
Items that are not currently in stock are typically available and ready to ship within approximately 2 weeks. Our team will notify you of any changes to this timeline and provide updates throughout the fulfillment process.
Questions?
If you have any questions about your order or shipping status, please don't hesitate to contact us. We're happy to help.