Best Aluminum Ball Knobs in 2026

ANSI Grade-3 Security Privacy Ball Knob

Privacy locking Function: Ideal for bedrooom and Bathroom use only.

"New" exterior privacy release button: operate with coin or standard screwdriver only. No Privacy key required. Does not have a keyed cylinder, not for use where keyed security is required.

Panel of the lock: 65mm(2-3/5inch), Keyed Alike: All locks you bought can be unlocked with the same key, which can minimize keys,.Also, we have different production lines, there is no need to worry about the privacy problems and you can shop with confidence

FUNCTION –Fits both right handed and left handed doors; Require ASIN 3 Grade, Can be unlocked with keys from exterior. suit both interior and exterior doors and meet your security needs.

ADJUSTABLE LATCH - 60mm(2-3/8") or 70mm (2-3/4"); Fit all doors 35 to 45 mm ( 1-3/8" to 1-3/4")thickness; Fit both right and left handled doors, including all construction accessories. Notice: The latch plate is not removable.

Flat Ball Style Knob : Privacy door knobs with oil rubbed bronze finish. Body Material : Stainless Steel. It fits both right handed and left handed doors

Firm Internal Structure : Strengthened springs ensure that the lever stays level over time. Privacy function, without keys. When locked from inside, the lock could be opened from outside with a coin. Suitable for bathroom or bedroom door

Adjustable Latch : It has adjustable solid latch with length (the distance of hole center to the door edge): 2-3/8" or 2-3/4"(60mm or 70mm) and fits its doors board thickness : 1-3/8" to 1-3/4"(35mm-45mm)

6 Pack per package(for 6 doors) : privacy door knobs with classic matte black finish for bathroom or bedroom door. Confirm with ANSI Grade 3, Exceeds 200,000 cycles.

Privacy Function(without keys) : The latch bolt can be locked by thumb turn button on the inside knob. An emergency release tool can unlock the door from the outside

SOLID Steel Adjustable Latch : It has adjustable universal latch - 2-3/8" or 2-3/4", Fits doors 1-1/4 inch to 1-3/4 inch

【Structure】Crystal Style Door Lock clear Glass Door Knobs ,classic rose made from heavy zinc alloy,Confirm with ANSI Grade 3, exceeds 200,000 cycles,The latch plate is unremovable.Fully reversible,suitable for both left handed and right handed doors.

【Size】Knob Diameter:60mm(2.36"),Rose Diameter:65mm(2-3/5"),Universal Latch: adjustable 60mm(2-3/8”) or 70mm (2-3/4"), suit for door thickness 35 to 45mm (1-3/8” to 1-3/4");

【Function】Privacy Lock: Keyless, usually used for bedroom and bathroom;Way to Open from Interior:push pin top to lock,twist knob to unlock;Way to Open from exterior:use any tool to push through hole for emergency release

EASY INSTALLATION: Install your knob set in a flash. All you need is a door and a tool set! No need for professional door fitters, you can do it yourself!

KEYED ENTRY(Keyed Alike): The door knob can be locked inside and opened outside with keys. Use it for your entrance doors, front doors, bedrooms, bathrooms, interior locking doors and other privacy needs; Material: Metal; Finished Color: Matte Black.

ONE SIZE FITS MOST: This black door knob fits 1-3/8" to 1-3/4" doors; Reversible for both left handed and right handed doors. (Notice: The latch plate is unremovable.)

【Flat ball privacy knob】Flat ball style. Made of stainless steel,anti-rust,sturdy and heavy duty.Oil rubbed bronze finished

【Standard size】Knob Diameter 57mm , Rosette diameter 65mm.Universal Latch 2-3/8" or 2-3/4",Fit door in thickness 1-3/8 inch to 1-3/4 inch.Suitable for left -handed or right-handed doors

【Easy to install】All accessories come with doors knobs,including latch,strike plate,screws,instruction.Easy Replacement Installation with Phillips screwdriver

Finished in polished brass and designed for left or right hand doors

ANSI Grade-3 Certified for residential security

Fits 2-3/4-inch and 2-3/8-inch backsets; Fits 1-3/8-inch and 1-3/4-inch thick doors

★Door Lock Application: Come with all accessories, for use on interior doors where a privacy locking function is required, such as a bedroom or bathroom.

★Great Quality &High Security: Conformed with ANSI grade 3 exceeds 200,000 cycles and 5 pins brass resistant tumbler cylinder, made of stainless steel, satin nickel surface, smooth and prevent rust.

★Reversible: Fits either right hand or left hand doors, adjustable backset - 2-3/8 inch or 2-3/4 inch (60mm or 70mm); fits doors thicknes:1-3/8 inch to 1-3/4 inch (35mm to 45mm).

FEATURES: Brinks Transitional Privacy Locking Interior Ball Door Knob is a perfect combination of style and quality. Designed for traditional and transitional homes, it blends seamlessly with any home décor and helps provide privacy and peace of mind.

SETUP: Knob is reversible and can be installed on right or left-hand doors for convenience. Compatible with 2-3/8" or 2-3/4" backset and fits most standard doors measuring from 1-3/8” to 1-3/4” thick.

INSTALLATION: Installation is easy and fits most standard doors. You only need a Phillips screwdriver and a few minutes to dramatically improve the function and appearance of your home.

【Security & Reliability】 Each LOQRON door knob is ANSI/BHMA Grade 3 certified, guaranteed to over 200,000 cycles. Premium and metal material and stability spring for durable, corrosion resistant provides security for your door so that you can rest easy.

【Easy Installation】 With screw alignment adapter, only tighten the screws with a screwdriver and install easily in minutes. simple knob design for easy operation.

【Standard Door Use】 Solid metal adjustable latch fits doors with 2-3/8’’ - 2-3/4’’ (60-70mm) backsets and doors from 1-3/8’’ to 1-3/4’’ (35-45mm) thickness. Reversible for both left handed and right handed doors.

Material: Stainless Steel; Black Finish; Modern Flat Ball Style Privacy Knob

1 Pack per package(for 1 door) : privacy door knob with classic matte black finish for bathroom or bedroom door. Confirm with ANSI Grade 3, Exceeds 200,000 cycles.

Privacy Function(without keys): The latch bolt can be locked by thumb turn button on the inside knob. An emergency release tool can unlock the door from the outside

🔐Easy Installation:Just tighten the screws with a screwdriver and install easily in minutes.simple knob design for easy operation.Please note that the key of each lock is unique and multiple locks cannot be opened

🔐Safe and Durable:Meets ANS3I security standard. Adopt stainless steel structure, strong and heavy, with anti-pry and anti-collision function, can provide excellent protection.Both sides are locked and unlocked by outside key or internal knob.

🔐Scope of Application:Latches adjustable 2-3/8 of an inch or two - 3/4 inch (60 mm or 70 mm), suitable for the thickness of the door: 1-3/8 of an inch to 1-3/4 inch (35 mm and 45 mm).Suitable for commercial and residential handle applications.

EASY INSTALLATION: Install your door knob in a flash, mounting screws and instruction are included, you can do it by yourself with a screwdriver.

DURABLE: Confirm with ANSI Grade 3, Exceeds 200,000 cycles.Satin stainless steel knobs, high quality,durable, and resist corrosion, all metal features adds strength, security and durability.

APPLICATION: This privacy door knob is used for bedroom and bath room door, no keys, when locked inside, you can open it outside with pin.

Round Privacy Door Knob : Privacy door knobs with modern nickel finish. Confirm with ANSI Grade 3, Exceeds 200,000 cycles.

Solid Steel Adjustable Latch : It has adjustable universal latch - 2-3/8" or 2-3/4", Fits doors 1-1/4 inch to 1-3/4 inch

Privacy Lock Function : The latch bolt can be locked by thumb turn button on the inside knob. An emergency release tool can unlock the door from the outside

【Security & Reliability】 Each LOQRON door knob is ANSI/BHMA Grade 3 certified, guaranteed to over 200,000 cycles. Premium and metal material and stability spring for durable, corrosion resistant provides security for your door so that you can rest easy.

【Easy Installation】 With screw alignment adapter, only tighten the screws with a screwdriver and install easily in minutes. simple knob design for easy operation.

【Standard Door Use】 Solid metal adjustable latch fits doors with 2-3/8’’ - 2-3/4’’ (60-70mm) backsets and doors from 1-3/8’’ to 1-3/4’’ (35-45mm) thickness. Reversible for both left handed and right handed doors.

Durable solid stainless knobs was developed for industrial applications and will last a lifetime

All metal adjustable latch fits doors with 2-3/8’’ - 2-3/4’’ (60-70mm) backsets and doors from 1-3/8’’ to 1-3/4’’ (35-45mm) thickness

Privacy knob has a keyless lock set for bedrooms, bathrooms, etc, and has a slot on the outside knob that can be unlocked with a screwdriver or coin

Privacy Door Knobs Black Finish.65mm Round Rose.Body Material Stainless Steel.Fits both right handed and left handed doors.

10pcs locks per package(For 10 doors).Privacy Function,without keys. When locked inside, the lock could be opened outside with coin. Use for bathroom or bedroom door.

Solid Latch Length(the distane of Hole Center to the Door Edge): 2-3/8" or 2-3/4"(60mm or 70mm).Fits doors board thickness: 1-3/8" to 1-3/4"(35mm-45mm).

Our round privacy knobs are perfect for use on interior doors that require privacy and locking functionality. The locking mechanism is engaged by turning the thumb button on the inside knob. In emergencies, the locked knob can be unlocked from the outside with a coin or a flat blade screwdriver.

These knobs feature universal handling, allowing this door handle hardware to be installed on both left and right handed doors.

Knobs fit all standard doors, and installs easily in just minnutes with a screwdriver.

Easy Intallation : Easy to install with all accessories included. One person can do it

ANSI Grade-3 Security Privacy Ball Knob, Fit all doors 1-3/8” to 1-3/4” in thickness

Material: Stainless Steel; Square Modern Ball Knob Entry Door Knob

Round Privacy Door Knob : Privacy door knobs with elegant matte black finish. Confirm with ANSI Grade 3, Exceeds 200,000 cycles.

Steel Adjustable Latch : It has adjustable universal latch - 2-3/8" or 2-3/4", Fits doors 1-1/4 inch to 1-3/4 inch

Privacy Function : The latch bolt can be locked by thumb turn button on the inside knob. An emergency release tool can unlock the door from the outside

With ANSI Grade-3, Exceeds 250,000 cycles .The solid zinc alloy and brass for strength and security. No need for professional door fitters, you can do it yourself! Satin Stainless Finish long-lasting product life.

Just tighten the screws with a screwdriver and install easily in minutes.simple knob design for easy operation.No need for professional door fitters, you can do it yourself!

Passage Door Lever without Keys Adjustable latch 2-3/8’’ - 2-3/4’’ (60-70mm) backset. Door thickness from 1-3/8’’ to 1-3/4’’ (35-45mm)

All metal construction for strength and durability

Matte black finish with 3 year warranty against wear

Privacy lock for bedroom, bathroom, etc

This spherical door lock for doors board thickness 1.18"(30mm) to 1.97"(50mm).Please measure the door of your home before buying.

Adjustable Solid Latch Length (the distance of Hole Center to the Door Edge): 2-3/8" or 2-3/4"(60mm or 70mm). Fits both right handed and left handed doors.Please measure the door of your home before buying.

Door hole diameter:(2.13-2.36”,54-60mm),Not can't more than 2.36” or 60mm.Otherwise it cannot be installed.Please measure the door of your home before buying.

Our round privacy interior door knobs are perfect for use on interior doors that require privacy and locking functionality. The locking mechanism is engaged by turning the thumb button on the inside knob. In emergencies, the locked knob can be unlocked from the outside with a coin or a flat blade screwdriver.

These black door knob door handles black feature universal handling, allowing this indoor door knob hardware to be installed on both left and right handed doors.

This 10 pack of black door knobs fit all standard doors, and installs easily in just minnutes with a screwdriver.

★This spherical door lock is suitable for : doors board thickness 1.1"(28mm) to 2"(50mm) thick.

★Applies to Latch Length (the distance of Hole Center to the Door Edge): 2-3/8"(60mm).

★High-grade Copper Lock Core: Durable, non-corrosive, used for a long time. This lock would enhance security and safety or your privacy.

🔐[Durable]: GOLDSEED doorknob with satin nickel material is resistant to smudging and offers strong durability. Integrate with modern home design and have a wide selection of interior design styles, including city country.

🔐[Great Quality & Easy Installation]: Stainless Steel; Satin Nickel Finish; Modern Flat Ball Style privacy doorknob. The easy installation is made for a one-person project.

🔐[Dimension]: GOLDSEED knob lock is suitable for a right hand and left hand. Latch has an adjustable backset 2-3/8 inch to 2-3/4 inches to fit all standard door preparations. Not only suitable for wooden doors, metal doors, french doors, and composite doors are also applicable.

Twist Latch Door Lever Combo Lockset With ANSI Grade-3, Exceeds 250,000 cycles . All metal construction for strength and security. No need for professional door fitters, you can do it yourself!

Adjustable latch 2-3/8’’ - 2-3/4’’ (60-70mm) backset. Door thickness from 1-3/8’’ to 1-3/4’’ (35-45mm) 5-year mechanical and finish warranty.

Note：The screws that hold the door knobs to the door come pre-installed in the knob assembly. Please remove them before installation Just tighten the screws with a screwdriver and install easily in minutes.simple knob design for easy operation.

Enhance the security and privacy of your home with these Satin Nickel Privacy Door Knobs. They are perfect for use in bedrooms and bathrooms, providing you with peace of mind and comfort.

Made with high-quality materials, these door knobs are designed to last. They confirm with ANSI Grade 3, exceeding 200,000 cycles, and their satin stainless steel construction resists corrosion. The all-metal features provide extra strength, security, and durability.

This privacy door knob is keyless, making it easy to lock from the inside and open with a pin from the outside. This means you don't have to worry about losing your keys, making it ideal for use in bedrooms and bathrooms.

Perfect Design: 10 Pack privacy door knobs in satin nickel finish with classic & contemporary design, solid column security bolt for anti-sawing protection and higher security.

Privacy Interior Door Handles For Bedroom/Bathroom: Both sides are locked and unlocked by outside turn-button. Emergency release outside with a coin. Confirm with ANSI Grade 3, Exceeds 200,000 cycles.

Reversible & Standard Size : Fits Either Right Hand Or Left Hand Doors, Adjustable Backset - 2-3/8 inch or 2-3/4 inch (60mm or 70mm); Fits doors thicknes:1-3/8 inch to 1-3/4 inch (35mm to 45mm)