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5791 Cylinderical Knobset Door Locks

The 5791 cylinderica knobset door lock offers exceptional security and convenience, making it an ideal choice for both residential and commercial properties.

Crafted with precision, the 5791 Cylindrical Knobset Door Locks are made from high-quality materials that are built to last. The lock features a solid brass core and stainless steel construction, ensuring durability and reliability. The lock is also resistant to corrosion, rust, and weather, making it suitable for use in outdoor applications.

With its easy installation and operation, the 5791 Cylindrical Knobset Door Locks are the perfect solution for those looking for a hassle-free locking mechanism. The lock is designed for use on interior and exterior doors and can be easily installed by both professionals and DIY enthusiasts.

Featuring a sleek and modern design, this lock is sure to complement any decor style. It has a polished chrome finish that not only looks great but also provides added protection against wear and tear. The lock also comes with two keys, providing you with a backup in case one is lost.

Overall, the 5791 Cylindrical Knobset Door Locks from The WPC Door are a reliable and cost-effective option for securing your property. So why wait? Upgrade your security today with the 5791 Cylindrical Knobset Door Locks from The WPC Door!


Product Name
5791 Cylinderical Knobset Door Locks
Door opening direction
Left or Right
Stainless steel door lock
Installation center distance
Main material
Stainless steel
Locking tongue type
Inclined tongue
Capable for
Solid wooden door / metal door / outside door / steel doors
Locking tongue length
Available colors
Brushed Nickel / Golden /
Red bronze/SS/AC/AB
Supporting key
3 sets
Emergency cylinder
S copper cylinder
rekeyable & mater key available


packaging picture

Multiple color selection table:

Multiple color selection table for cylinderical door knob lock

Full Set of Product



Set up method

1. Backset size with a 2 3/4″ inch face, 1 1/8″ inch x 2 1/4″ inch

2. This product is 201/304 stainless steel material and used in residential home not commercial

3. Dual threaded spin on rosettes

4. Could be Classroom/entrance/privacy/passage/dummy function


Door Knob Lock Functions

Entry knob function.
Entry function are the most popular type of entrance locks. The lock is unlocked by key from the outside, or with a turn of the door knob from the inside. The inside knob is always unlocked, so you can exit the house without unlocking the knob. The lock function is considered more secure because you can quickly leave the house by just turning the knob. The inside is locked by push button. When you turn the inner knob, the button releases automatically, so you won’t lock yourself out. Press the lock button on your way out and the door will lock behind you.

Storeroom Knob Function

Storeroom lock is typically used on an outside storage closet or storage room. This lock has a fixed knob on the exterior and always remains locked. The only way to unlock the door is with a key. The inside knob has no thumbturn and always remains unlocked.

Passage knob function
Passage knob sets do not lock. They are generally used for hall or closet doors where a lock is not required. Sometimes passage knobs are used along with a deadbolt for a locking door. Passage knobs are suitable for interior or exterior use

Privacy knob function
Privacy door knobs are generally used on bedrooms and bathrooms. Privacy knobs lock, but it is not a keyed security lock. privacy knobs can be locked from the inside with a turn button in the knob. Can be unlocked from the outside with a generic unlocking tool.

Dummy knob Function
Dummy door knobs are just one knob that mounts to the door with a mounting bracket. To use a dummy knob your door must not have the 2-1/8″ hole drilled as you would for a regular knob set. Dummy knobs are the perfect solution for ball catch doors or other applications where a latch is not needed, but the look of a doorknob is desired.

All lock functions include all the needed mounting hardware. Entrance, passage and privacy knob sets are full sets and include knobs for both sides of the door, latch, 3-way faceplate, strikeplate and mounting screws