Best Deals Right Now

AMOTOFO Door Knob Lock Review: Secure privacy and easy fit for interior doors

AMOTOFO Door Knob Lock for Bedroom - Keyed Door Lock Interior and Exterior Bathroom Doorknob,Bedroom Entry Door Knobs with Lock and Key,Satin Stainless Steel Standard
4.5
[Easy Installation]  Quick screwdriver installation in minutes with easy-turn knob; unique keys for each lock.
[High Security Build]  Stainless steel construction meets ANSI 3I standard with anti-pry and anti-collision protection.
[Flexible Fit Range]  Adjustable latch (2-3/8"–2-3/4") fits 1-3/8"–1-3/4" doors; ideal for residential and commercial use.
[Privacy Locking Function]  Button privacy lock; can be unlocked externally with key and locked internally.
[Dedicated Customer Support]  Confirm sizing before purchase; 24-hour customer service for questions and assistance.
Show More

Door hardware designed to give straightforward privacy and a sturdy feel for interior doors. AMOTOFO Door Knob Lock brings satin stainless steel construction and a button privacy lock suited to bedrooms and bathrooms. Does it fit your door and give the security you need?

⚡ At a Glance
  • Locking Performance: Meets ANS3I security standard with stainless steel construction, anti-pry and anti-collision protection.
  • Best for: Homeowners and landlords seeking a privacy lock for bedrooms and bathrooms.
  • Not ideal for: External front doors or installations requiring keyed-alike arrangements.

Privacy locking uses a button mechanism that can be unlocked from outside with a key or from inside via the knob. Latch and door-thickness compatibility suit most standard interior doors.


Private rooms without fuss – Thanks to button privacy lock

A push-button engages the privacy function and can be released from outside using the supplied key; both sides lock and unlock by an outside key or the internal knob. The mechanism is designed for straightforward single-handed operation.

Secure privacy for bedrooms and bathrooms with the option of keyed emergency access when necessary.

Sturdy defence against forced entry – With stainless steel construction meeting ANS3I standard

Stainless-steel components and reinforced internals meet the stated ANS3I security classification, offering anti-pry and anti-collision resistance. Heavier construction reduces flex and gives a solid tactile feel.

Adds a reliable barrier against common tampering and accidental impacts, improving perceived security over basic knobs.

Quick fit installation – With adjustable latch and simple screw fix

Latch is adjustable to 2-3/8 inch or 2-3/4 inch (60 mm or 70 mm) and the knob fits doors 1-3/8 inch to 1-3/4 inch (35 mm to 45 mm). Installation requires only a screwdriver to tighten screws and can be completed in minutes.

Fits most standard interior doors without extra tools or specialist fitting, making upgrades straightforward.

✨ The 4 Key Reasons for AMOTOFO Door Knob Lock
  1. Easy installation – Fits standard latches, installs with just a screwdriver in minutes
  2. Unique keys – Each lock key is unique, preventing cross-opening between locks
  3. Satin stainless steel – Durable finish resists everyday wear and suits modern interiors
  4. Wide compatibility – Suitable for commercial or residential interior handle applications without modification
📋 Technical Details at a Glance
  • Category: Home Improvement
  • Product type: Door knob lock
  • Brand: AMOTOFO
  • Finish: Satin stainless steel
  • Material: Stainless steel
❓ Frequently Asked Questions

Q: Can the lock be opened from outside in an emergency?

A: Yes, the button privacy lock can be unlocked from the outside using the supplied key, allowing emergency access when required.

Q: What door thickness and latch sizes does the lock fit?

A: The latch adjusts to 2-3/8 inch or 2-3/4 inch (60 mm or 70 mm) and fits doors 1-3/8 inch to 1-3/4 inch (35 mm to 45 mm).

Q: Are keys interchangeable between multiple locks?

A: No, each lock key is unique and multiple locks cannot be opened by the same key.

🏆 Our Verdict

Suitable for homeowners or landlords who need reliable privacy hardware for bedrooms and bathrooms. Solid stainless-steel construction meeting ANS3I and a keyed external emergency unlock deliver dependable security and peace of mind. While not the cheapest option, durable materials and quick installation suggest good long-term value.