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The Best inside of a lock of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best inside of a lock of 2022. Check our ranking below.

2,798 Reviews Scanned

SaleRank No. #1
Defender Security U 10827 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction (Satin Nickel Anodized Finish)
  • KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 10827 satin nickel finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe!
  • EASY INSTALLATION – The included 3” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes!
  • ADDITIONAL HOME SECURITY - Use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside.
  • CHILD-SAFE AND TAMPER-RESISTANT – This door reinforcement lock has a spring-loaded design that is both child-safe and tamper-resistant. It can be installed higher on the door where your children can’t reach! Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position.
  • WATCH THE VIDEO ON THIS PAGE for installation tips and operating instructions.
Rank No. #2
INBOF 2 Pack Door Chain Lock, Premium Chain Door Lock, Thickened Door Lock Chain with 12 Screws, Stainless Steel Chain Locks for Inside Door, Better Security and Protection for Your Home and Family
  • [Home Security Door Lock]: Door chain lock adds extra protection to the door, prevents others from sneaking into the room, and protects your security and privacy. Chain door lock's chain can keep the door partially open for safety observation and ventilation.
  • [Door Locks for Kids Safety]: Door lock chain can be installed in places where children cannot reach, to prevent children from opening the door and provide additional protection for children. Chain door guard can also be used to prevent pets from opening the door.
  • [Widely Used]: Door chain lock is a commonly used classic style, which is applicable to various types of doors, such as aperture doors, hotel doors, office doors, bedroom doors, storeroom doors, basement doors, garage doors, cabinet doors, windows, etc
  • [Quality Throughout]: Chain door lock is made of high-quality stainless steel, which is sturdy and durable. The panel and chain are thickened to make them stronger. The edges are polished to make them smoother. Door lock chain also comes with thicker and longer stainless steel screws.
  • [What You Get]: 2 pack door chain locks and 12 screws for installation. Please refer to the picture to know the size and weight of the product, and make sure it is suitable for your use before purchasing. If you have any questions about the product, please consult us and we will reply to you as soon as possible.
Rank No. #3
Portable Travel Door Lock for Hotel Room and Apartment Security - Defender Door Latch and Lock from Inside for Travel Safety
  • UPGRADED MULTI SIZE TO FIT MOST DOOR: Small and Big Holes to fit most doors, Portable door lock adds extra security to your room and prevents unauthorized entry, especially when traveling and staying in hotels. It's small but will hold your door shut firmly. Keep that unauthorized entry away with WINONLY superior travel lock kit. Add an extra lock to provide an additional layer of security and peace of mind.
  • PERFECT FOR TRAVEL: Small enough to carry in a pocket or handbag, this is a very handy device to have when not at home Add a portable door lock to provide effective safety and protection for Hotels, Apartments, Dormitories, Bathrooms, Bedrooms.
  • EASY TO USE & SAFER DESIGN: No need to nail or screw into anything, just put the metal part goes into the hole on the door jam then you close the door, take the red handle and insert it into the lock in place, then no one could get in and in case of an emergency you could remove the lock in seconds in the dark! Add a portable door lock to provide you with a strong sense of safety.
  • STRONGER & SMOOTH TOUCH: WINONLY travel door lock is upgraded with better performance and durability. A portable door lock made of heavy-duty steel, the solid door lock is guaranteed to remain as good as new for a very long time. Used the latest electroplating and polishing technology to ensure a perfectly smooth touch, and avoid any injury while using the door lock. Provides secondary security for travelers、college students、singles、at-home Moms.
  • WARRANTY THAT WON’T FAIL YOU: Portable travel door locks are warranted against manufacturing defects. In any case, are WINONLY responsible for user-related damage or damage incurred during installation. Warranty is valid if door locks are subjected to abnormal conditions, misapplication, or abuse. The portable travel lock brings you additional safety, security, and privacy.
Rank No. #4
Door Lock Latch for Home Security - Swing Bar Door Guard for Front and Inside Door, Safety Childproof Reinforcement Door Stopper for Kids Home Hotel Apartment, Thicken Aluminium Alloy Satin Nickel (2)
  • Home Security & Toddler Proof: Swing bar door locks are security locking devices for swing-in doors, allow people inside the room to open the door few inches for identification or ventilation while providing privacy and security for guests and residents. Door latches also can be installed out of children’s reach so they can’t open the door by themselves, providing additional child-safe door security. NOTICE: Compatible with most wooden doors and molding when door is flush with door jamb
  • Durable Construction: Door latches are constructed from premium solid aluminium alloy with beautiful polishing and finish to complement your lovely home decor. Door locks are difficult to rust or oxidize and will serve longer life. Ultra-thick swing arm and solid lock base ensure strong and durable quality, and resist up to 600 lbs force. Home security door lock can be unlocked easily from the inside with simple swinging motion, while too strong to be forced open from the outside
  • Advanced Craft Features: CRANACH Home security door latch lock features steel ball positioning which is a unique locking design that holds locking arm in place so they will not swing around for extra security. The countersunk hole design makes the security guard lock noble and elegant. A must-have door stoppers security bar for every home
  • Easy Installation: CRANACH door reinforcement lock has a long, swing bar, which folds over the closed door. Installation is quick and easy with the screws in package, the process is simple enough that almost any homeowner can do it easily in minutes
  • Worry-Free Purchase: Secure home by CRANACH, swing bar door locks defend your home safe, not only limit door opening for identification and prevent break-in, but also easy open from inside when meet urgent. CRANACH provide considerate service to make sure you could buy with confidence and would try our best to solve any problem until you are satisfied.
Rank No. #5
Jack N’ Drill Chain Door Guard with Lock - 2 Pack Chain Lock Door Guard, Sturdy and Rust-Resistant Steel Chain Locks for Inside Door and Extra Front Door Lock, 100% Child Safe and Pet Friendly
  • ✅ Strengthened With Steel. Jack N’ Drill Chain Door Guards with Lock are made of reinforced steel for maximum strength and long-term use. It will take a ton of force to break it open from the outside.
  • ✅ Child Safe And Pet Friendly. Protect your family with an extra locking device for front and interior doors. Use it to baby-proof your space or for small pets to get in and out of the house safely.
  • ✅ Trouble-Free Installation. Just measure, mark and fix! All you will need is a drill and a few minutes to spare. Our door chain locks come with screws and instructions for everyone’s convenience.
  • ✅ Secured Viewing Or Ventilation. Take a peak but keep everyone’s safety in check. Open doors for viewing or for ventilation without any worries about your security.
  • ✅ Modern And Chic Chain Locks. Protecting your home never goes out of style. Choose to fit your doors with additional locks in satin nickel, black, white, and polished brass finishes.
Rank No. #6
Defender Security U 11316 Swing Bar Door Guard With High Security Auxiliary Lock, Satin Nickel Finish, 1-Pack
  • SWING BAR DOOR GUARD – The Defender Security U 11316 Swing Bar Door Guard, with a satin nickel finish, will increase peace of mind when answering the door by allowing the door to be cracked open slightly for viewing.
  • ADDITIONAL HOME SECURITY – Add security to your entry door and help prevent forced entry. When engaged, a ball on the keeper interlocks with the bar lock and prevents an intruder from pushing their way through.
  • THUMB TURN LOCK – The additional thumb turn security lock blocks the release tool from disengaging the door guard latch.
  • EASY INSTALLATION – Installation is quick and easy, and all fasteners are included – extra security and peace of mind can be achieved in just minutes!
  • EMERGENCY BREAKAWAY – In case of emergency, the thumb turn will breakaway with approximately 100 lbs. of force.
SaleRank No. #7
Portable Door Lock,2 Pack Home Apartment Security Door Lock for Inside,Hotel Room Security Devices Lock for Travel,Door Lock Security Inside for Bedroom Apartment Kids Additional Safety.
  • 【Upgraded Portable Lock Fit Most Doors 】- Our apartment door lock contains smaller and bigger holes to ensure that most types of door latches are matched,For doors open inwards,not suitable for Knob Latch.So this hotel door lock could widely used at home or hotels,apartment,bedroom,airbnbs,private rooms.Only for inward opening doors.
  • 【Perfect for Travel】- These portable dock locks for hotel are small enough to carry in pocket or handbag,and the travel door lock also could provide additional safety and privacy.No unauthorized entry again in hotels.Halloween gifts for security
  • 【Easy to Use and Remove】 - Easy to install or remove,This security door lock can be installed in seconds without any extra tools.First put the metal piece into the slot of the door jam,then close the door, take the handle and insert into the lock in place,then no one can open the door from outside.
  • 【Supportable Lock Way】 - This portable door lock only support inward opening door,not for outward opening door,double door,sliding door,salt door and oversize door.
  • 【Satisfied Shopping】 - The door security devices are warranted against manufacturing defects.If the door jammer is defective you received, please don't hesitate to contact us. We will apply for a refund or replacement for you.
SaleRank No. #8
GreaTalent 3PACK Home Security Door Reinforcement Lock Childproof, Add High Security to Home Prevent Unauthorized Entry, Aluminum Construction Finish
  • ✓ 【Keep Your Home Safe】The 3" door lock is designed to withstand maximum 800lbs of force for Inward Swinging Door. It helps prevent doors from being kicked in. Increasing your home security and keeping your family safe.
  • ✓ 【Easy to Install】Come with strong screws. Simply mount the door lock on your door frame using a screwdriver or power tools. The installation takes less than 5mins.
  • ✓ 【Easy to Lock & Unlock】To unlock, pinch the door lock on the top and the bottom. Then slide the lock sideways along the door to the direction of the hinges until it can be pulled outward.
  • ✓ 【Childproof】Security Door Lock adds extra security for children, prevent from opening door to strangers. Please install higher than the doorknob where your children can not reach.
  • ✓ 【Great Design】Features a spring-loaded, childproof and tamper-resistant design. High-quality aluminium material provides higher safety than traditional door locks to protects against unauthorized entry.
SaleRank No. #9
Dorman 75221 Door Lock Knob Compatible with Select Models
  • Ideal replacement - this door lock knob replacement fits and functions like original equipment
  • Authentic appearance - designed to blend seamlessly with the vehicle's original interior finish
  • Convenient solution - offers original equipment quality without the hassle of sourcing from the dealership
  • Quality tested - has undergone try-on testing to ensure a quality fit
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Rank No. #10
Door Security Slide Latch Lock, Keyless Entry Door Lock, Thickened Heavy Duty Steel Sliding Door Lock, Easy to Install Gate, Slide Latch Lock with 12 Screws
  • 🔒【Keep Safe & Private】:Cranach door slide latch lock is upgraded from old style door bolt, 2 times stronger than normal barrel bolt to keep you safe and private. Extra security for your Bathroom, Bedroom, Cupboards and other indoor doors. It's small but will hold your door shut firmly. Keep those pesty intruders away with this high quality door latch lock.
  • 🔒【Stronger & Durable】: Cranach barrel bolt made with heavy duty steel ,the solid door latch has been tested more than 500,000 times operation. Cranach latch lock used latest electroplating and polishing technology to ensure a perfect long lasting. Brushed nickle finish surface slide lock which improves corrosion resistance, enhance wear resistance and hardness, protects the metal surface and have a good insulation performance.
  • 🔒【Dual Direction Install】: Centerset design barrel bolt which great for either side installation,that means the bolt can be pushed to left or right and bolt lock also can be installed on left or right. Barrel latch perfect for using on vertical, horizontal applications,In vertical using, the notch-in case holds the bolt in a locked position.
  • 🔒【Easy to Install】: Cranach door latch lock is upgraded with better performance and durability.Use power screwdriver and drill to mount this door slide lock on your door frame ,finish DIY barrel latch lock installation less than 5 minutes. Cranach door slide latch lock is useful for doors, chests, cabinets, wooden wickets, windows, fences, kennels,bathroom,bedroom,bar.
  • 🔒【Satified Warranty】 : Cranach barrel bolt latch keep you safe and private, this solid door bolts are guaranteed to remain as good as new for a very long time. If however, you are not entirely thrilled with your purchase for any reason! Cranach door bolt locks are covered under our 5 years satisfaction guarantee!

Last update on 2022-10-19 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best inside of a lock?

Do you get stressed out thinking about shopping for a great inside of a lock? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching inside of a lock, which is why we have assembled a comprehensive list of the greatest inside of a lock available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for inside of a lock that you consider buying. Your questions might include the following:

  • Is it worth buying an inside of a lock?
  • What benefits are there with buying an inside of a lock?
  • What factors deserve consideration when shopping for an effective inside of a lock?
  • Why is it crucial to invest in any inside of a lock, much less the best one?
  • Which inside of a lock are good in the current market?
  • Where can you find information like this about inside of a lock?

We’re convinced that you likely have far more questions than just these regarding inside of a lock, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for inside of a lock, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible inside of a lock. Make sure that you are only using trustworthy and credible websites and sources.

We provide an inside of a lock buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available inside of a lock currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of inside of a lock has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an inside of a lock?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your inside of a lock.
  5. Customer Ratings: Number ratings grade inside of a lock objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their inside of a lock.
  7. Product Quality: You don’t always get what you pay for with an inside of a lock, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an inside of a lock is should be an indication of how long it will work out for you.

We always remember that maintaining inside of a lock information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding inside of a lock is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.


Q: What locks are always locked on the outside?

A: A 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.

Q: How to unstick a lock?

A: Steer clear of spray lubricants. Spray lubricants are one of the most commonly recommended solutions for unsticking a stubborn lock,and while they may temporarily get the job done,… Try graphite powder instead. Most hardware stores carry this very handy lubricant,which does a fantastic job of lubricating your lock without all the fuss of dealing with sprays … Ditch both of the above tips altogether and get a keyless lock.

Q: How would you lock a door from the outside?

A: Pull the door closed gently without locking either of the locks first. … Insert the deadbolt key into the deadbolt lock and turn the key to the left to initiate the lock. … Turn the doorknob and try to open the door. … Place the key for the doorknob lock into the doorknob and turn it in the direction that initiates the lock.

Q: How can I lock a door from the outside?

A: To lock the door from the outside. Once installed, turn the handle 90 degrees to lock the slide lock. This will turn the operating lever and extend the bolt into the locked position. The door is now locked. NOTE: The exterior handle alone cannot unlock the side lock. The bolt is now blocked in place by the release lever.

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