Schlage F40 PLY 622 Plymouth Door Knob – Matte Black Privacy Lock

Overview

Schlage has spent more than a century turning ordinary doors into reliable, stylish details that help protect what matters. The Schlage F40 PLY 622 Plymouth Door Knob in matte black blends contemporary aesthetics with practical interior privacy, making it a thoughtful upgrade for bedrooms and bathrooms alike.

Key features at a glance

• Privacy function: ideal for bedroom and bathroom doors where locking may be desired; inside push button unlocks when the door is rotated, with an external pin key for emergency access.
• Simple installation: self-aligning screw holes and included hardware enable quick upgrades on standard interior doors with only a screwdriver.
• Durable construction: premium metal build and a finish designed to resist everyday wear; tested for lasting performance.
• Flexible fit: universal latch accommodates 2-3/8" or 2-3/4" backsets and door thicknesses from 1-3/8" to 1-3/4"; includes both radius and drive-in faceplates.

What you get and how it fits your space

Everything you need is included to upgrade interior single bore hole doors in minutes. The latch slides into place with minimal tools, and the design works on both right- and left-handed doors, reducing decision fatigue during installation.

• Backset flexibility: 2-3/8" or 2-3/4" backsets ensure compatibility with common door frames.
• Faceplate options: radius and drive-in faceplates for versatile mounting on a range of doorway styles.

Durability, finishes, and reliability

Built from premium metal, the Plymouth knob resists everyday use without tarnish, discoloration, or corrosion. It carries a BHMA Grade 2/AAA rating for security, durability, and finish—an indicator of consistent, dependable performance over time. The matte black finish adds a modern touch that complements a wide range of decors.

Warranty coverage includes a limited lifetime mechanical and finish warranty, plus a 3-year electronics warranty. This combination reflects Schlage’s commitment to long-term reliability in interior hardware.

Use cases and benefits in daily life

In busy households or rental spaces, this Plymouth knob offers a clear privacy option on private rooms. The inside unlock feature supports quick access from within the room, while the outside pin-key provides a safe backup in case of an emergency. The lightweight yet sturdy feel adds a reassuring tactile cue when turning the knob, making everyday use simple and familiar.

Bottom line

If you want a matte black privacy knob with straightforward installation, durable materials, and flexible backset options, the Schlage F40 PLY 622 Plymouth delivers a balanced mix of style, function, and peace of mind—without promising outcomes, but with acknowledged reliability.