Yale 3 Pin Cylindrical Lock – Keyed Entry Lock
• Trusted Yale brand quality for reliable interior door security
• 3-pin tumbler cylinder provides secure keyed entry from the exterior
• Push-button or turn-button interior for quick, easy privacy locking
• Emergency release pinhole allows for safe entry if locked inside
• Cylindrical design fits standard 2-1/8″ (54mm) door bore holes
• Easy to install as a direct replacement for existing privacy locks
• Durable construction ensures smooth operation and long service life
• Ideal for bedrooms, bathrooms, home offices, and other private rooms
• Includes all necessary mounting hardware and keys
• A cost-effective and essential hardware solution for any home

About Yale 3 Pin Cylindrical Lock – Keyed Entry Lock

Secure interior rooms with the trusted reliability of a Yale 3 Pin Cylindrical Lock. This classic lock is designed for privacy on bedroom, bathroom, and office doors, offering keyed exterior access and a simple push-button or turn-button interior for locking. The Yale 3 Pin Cylindrical Lock features a robust 3-pin tumbler mechanism that provides effective security against casual intrusion while being easy to operate with the included keys.

Its cylindrical design allows for straightforward installation into a standard pre-drilled door bore hole (typically 2-1/8″ or 54mm), making it a perfect replacement or upgrade for existing privacy locksets. The interior side includes an emergency release function—a small pinhole that can be opened with a tool (like a flathead screwdriver or the key itself) in case someone is accidentally locked inside. Built with the durability synonymous with the Yale brand, this lock ensures smooth, long-lasting performance. It’s an essential, cost-effective hardware solution for maintaining privacy and controlled access within your home or office.

What is a “Cylindrical” Lock and Where is it Used?

A cylindrical lock, also known as a bored lock, is the most common type of interior door lock in residential and commercial buildings. The “cylindrical” refers to the shape of its main chassis, which fits into a round hole drilled through the door. The Yale 3 Pin Cylindrical Lock is specifically designed as a **privacy lock** for rooms where keyed access from the outside is occasionally needed, such as bedrooms (for locking valuables), bathrooms, and private offices.

How Does the 3-Pin Mechanism Work?

The “3-pin” refers to the number of pin stacks inside the lock cylinder. When the correct key is inserted, its cuts align the pins at the “shear line,” allowing the cylinder plug to rotate and retract the latch bolt. A 3-pin cylinder, like that in the Yale 3 Pin Cylindrical Lock, offers a good balance of security and convenience for interior applications. It provides enough key differs to prevent casual key interchange while being simpler than higher-security 5 or 6-pin cylinders.

What is the Emergency Release Function?
A crucial safety feature of the Yale 3 Pin Cylindrical Lock is the emergency release (or privacy release). On the interior knob/rose, there is a small pinhole. If someone (like a child) locks themselves inside the room, you can insert a narrow tool (often a straightened paperclip, small screwdriver, or even the tip of the key) into this hole. This action depresses an internal mechanism, allowing the locked interior knob to turn and the door to be opened from the outside. This ensures safety without compromising the lock’s primary function.

Is Installation a DIY-Friendly Task?
Yes, installing or replacing a Yale 3 Pin Cylindrical Lock is a very common DIY project. It is designed as a “bore-in” lock that fits doors with standard preparations:
– A 2-1/8″ (54mm) diameter bore hole through the face of the door.
– A 1″ (25mm) cross bore (edge hole) for the latch.
– A standard 2-3/8″ or 2-3/4″ backset (distance from door edge to center of bore).
If your door already has these holes, installing the Yale 3 Pin Cylindrical Lock is typically a matter of inserting the latch and lock chassis, attaching the knobs, and tightening the mounting screws.

Can the Lock Be Re-Keyed to Match Other House Keys?
This depends on the specific cylinder. Many standard Yale 3 Pin Cylindrical Locks come with a **removable cylinder**. This allows a locksmith to easily re-key the cylinder to match the key for your other doors, enabling a single “master” key for your home. If this is important, check the product description or consult with a locksmith to confirm the cylinder in your Yale 3 Pin Cylindrical Lock is re-keyable and compatible with your existing key system.