Haidms Black Door Knobs Privacy Interior Set - Matte Black Finish

In this review of the Haidms 6 Pack Black Door Knobs Privacy Interior set, the bottom line is simple: this kit is best for homeowners or renters who need a quick, affordable privacy solution for bedrooms and bathrooms. The single biggest reason to buy is the combination of a simple thumb-turn privacy lock and a clean matte black finish that matches modern interiors, delivered in a six-pack that covers multiple doors at once. Installation is straightforward and the set is aimed at DIYers who want a fast cosmetic upgrade without specialized tools.

Key Features

• Privacy function: The inside knob locks with a thumb turn while the outside has a slot for emergency unlocking with a screwdriver or coin, making it suitable for bathrooms and bedrooms.
• Adjustable latch: The latch adjusts to fit 2 3/8' or 2 3/4' backsets so it can be used on the most common interior door setups.
• Door thickness compatibility: The set fits doors from 1 3/8' to 1 3/4' thick, which covers standard interior doors in most homes.
• Easy install: Installation requires only a screwdriver and can be completed in minutes by someone comfortable with basic DIY tasks.
• Classic matte design: The smooth, easy-to-grip knob with a matte black surface provides a modern yet classic look that updates door appearance without replacement of other hardware.
• Customer support reminder: The brand asks buyers to check parts before installation and contact them for quality issues, which adds a layer of after-sale support.

Who It's For

This set is ideal for budget-conscious homeowners, landlords, or renters who want to refresh several interior doors at once and who need a simple privacy lock for bathroom or bedroom use. It is also a good pick for DIYers who prefer a no-fuss installation using just a screwdriver and no special tools.

Those who need reinforced security, keyed entry, or a heavy-duty commercial grade latch should look elsewhere; this product is designed for interior privacy use and not exterior security applications. Buyers should also measure door thickness and backset before purchasing to ensure compatibility.

Pros & Cons

Pros

• Matte black finish matches modern decor and provides a consistent look across multiple doors.
• Simple thumb-turn privacy locking is convenient for bedrooms and bathrooms without keys.
• Adjustable latch and broad door thickness compatibility reduce the chance of fit issues.
• Easy DIY installation saves on labor costs and can be completed quickly.

Cons

• Lock functionality and long-term durability received mixed customer feedback, so performance may vary over time.
• Not intended for keyed or high-security applications, only privacy use.

Specifications

Package quantity	6 door knobs
Function	Privacy (thumb turn inside, emergency slot outside)
Backset compatibility	Adjustable to 2 3/8' or 2 3/4'
Door thickness	Fits 1 3/8' to 1 3/4' doors
Finish	Matte black
Installation	Screwdriver required, DIY install

Our Verdict

For anyone replacing multiple interior knobs on a budget, the Haidms 6 pack delivers solid value: it looks modern in matte black, installs quickly, and provides simple privacy locking for bedrooms and bathrooms. While a minority of users report mixed durability or lock issues, most buyers will appreciate the easy upgrade and cost savings when outfitting several doors.

Frequently Asked Questions

Will these fit standard interior doors?
Yes, they fit doors 1 3/8' to 1 3/4' thick and have an adjustable latch for 2 3/8' or 2 3/4' backsets.

Is a key required to unlock from the outside?
No key is used; the outside knob has a slot that can be unlocked with a screwdriver or coin in an emergency.

How hard is installation?
Installation is straightforward and can be done with a screwdriver in a few minutes per door for most DIYers.