Service & Support

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Most lock models have an option to match an existing key when ordering new locks. With a wide variety of locks Master Lock offers, we recommend contacting a distributor or our call center for confirmation.

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To get a quote, you'll need to reach out to a distributor. Please see our list of distributors, or reach out to customer service for more information.

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Yes. If you're installing new locks, you can buy door locks that are keyed alike. Keyed alike locks use the same key for convenience.

If your locks are already installed, your local locksmith may be able to update them to be keyed alike.

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I have an Idea for Consideration.

Master Lock is an innovative company that actively works to develop products and creative ideas pertaining to its products, technologies, marketing materials and other aspects of its business. IT IS MASTER LOCK’S POLICY THAT YOU DO NOT SUBMIT IDEAS, SUGGESTIONS, PROPOSALS OR MATERIALS IN ANY FORM (VERBAL, EMAIL, LETTER, ETC) UNTIL YOU HAVE READ MASTER LOCK’S POLICY FOR UNSOLICITED IDEAS AND EXECUTED THE SUBMISSION AGREEMENT.

This policy is not intended to act as a barrier to receiving and responding to feedback from our valued customers. The sole purpose of this policy is to avoid potential misunderstandings or disputes when the Company’s products, services, marketing or other projects might seem similar to any Submissions made to the Company.

Terms Governing Submissions

If you wish to submit your idea, suggestion, proposal or materials to the Company, the following terms shall apply to your Submission, regardless of what your communication states. You agree that:

1. The Company will consider the Submissions to be non-confidential and non-proprietary.
2. The Company may use, copy, redistribute and disclose the Submissions for any purpose in any manner, without compensation to you or any other person or party.
3. The Company shall have no obligations concerning the Submissions, including no obligation to review the Submissions, return any materials, or acknowledge receipt of the Submissions.
4. You agree to Master Lock’s Unsolicited Idea Policy and execute the accompanying agreement.

If you do not agree to these terms, please do not send any Submission to Master Lock.

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View instructions on how to add, change or delete a code on your 1500eDBX dialSpeed electronic combination lock.

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You can securely store your combination or key number with us so that you never lose it. If you lose your key, the number can be used at a locksmith or a hardware store for a new one.

If you still have a physical key, you should be able to get it duplicated from a local hardware store or locksmith. If you don?t have a key to reference, then another option is knowing your key number to place a special order via a authorized distributor.

If both are not an option, then contacting a locksmith to open or remove your lock would be your resolution.

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Usually, if the deadbolt doesn't work there is a problem with the tailpiece. When installing, make sure the tailpiece is horizontal when inserting it into the retracted bolt. Additionally, the dimple on the thumb turn shaft must point down.

If these fixes do not resolve your problem, please contact our support team. You will need to include photos of your installation.

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View instructions on how to use the Universal Mounting Bracket for U-locks and cable locks.

View instructions on how for using the Mounting Bracket for U-locks.

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Send your question to Master Lock. You can expect a reply within 2 business days.

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Under the video that you would like to download, right click on the “Download Video” link and choose “Save Link As”. From there, you can save the video to your computer.

For further instructions, view our “How to Download Master Lock Videos” guide.

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We recommend a Grade 2 lock with a 1-inch bolt. All entry doors, including front, rear, and side entrances should have deadbolts.

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Master Lock sold off an older division of door hardware products in 1997. While we are still honoring the warranty for these products, please note that we don?t have any replacement parts for door hardware made before 1997.

Please call 1-800-308-9244 for more information or view our current offerings.

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It is possible to order our standard black dial combination padlock (model # 1500) to match an existing combination lock. Take your lock to a hardware store (Ace, True Value, Home Depot, Lowe's, HWI, Do-It-Best) or locksmith that already sells Master Lock products. Ask them to special order the product with the same serial number that is on your existing combination lock. They may charge you extra for this service.

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No. Without the key number, there is no way for Master Lock to know which key will open your lock. There is not a master key that will open all Master Lock products.

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These locks are registered to a particular business or school and the keys are reserved for their use only.

Yes, it is possible to purchase up to 12 additional keys if you are the registered end user (i.e. a school or institution). Send us a fax on your official letterhead requesting the keys you need. Be sure to include the exact key numbers and any information that will help us find your user registration. The cost is $8.44 per key plus a $5.00 flat fee for shipping, regardless of the numbers of keys being ordered. Fax your request to 1-800-308-9245, to the attention of Customer Service/Registered Keys.

A remittance request will accompany your keys. Payment can be made by check or money order (at this time, credit card payments are not accepted).

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Master Lock is proud to offer a faster and more efficient way of obtaining needed product images for catalogs, web sites, and presentations. These images can be downloaded instantly from our digital image library at Masterlockimages.com.

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Forward a note to our E-Commerce Team who will route the request to the appropriate sales representative. You can expect a reply within 2 business days. If you live in Europe, visit masterlock.eu for more information.

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Stand as though you were outside the room. If the hinges are on the left-hand side, you need a left-handed door set. If the hinges are on the right, you will need a right-handed door set. 

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You can find Master Lock products in most DIY stores, and in a selection of mass market stores, hardware stores, sporting good stores, web stores and professional resellers. See our Where to Buy section to find your nearest point of sales.

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Check with a local locksmith to see if they can duplicate a replacement key. Sometimes, replacement keys are not available for every model of lock. If this is the case, you may need to purchase a new lock.

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The phone number for warranty claims on door hardware produced prior to 2004 is 1-800-308-9244.

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View instructions on how to change the battery on your 1500eDBX dialSpeed electronic combination lock.

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Visit buildyourlock.com to get started. Our tool helps you select a padlock and then tailor it to the needs of your specific application. It includes options for special keying, engraving/special marking, shackle lengths – and many, many others. When completed, we’ll help you find a distributor who can give you an accurate price quote and follow up on your order.

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View instructions on how to install 265DCCSEN door bar.

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To access the mounting screws:

1. Insert the included tool into the hole in the rosette and press the pin at the base of the knob.
2. Pull the knob off.
3. Remove the rosette by unsnapping from the mounting plate. You can pull the tab or carefully pry.

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You may either call us or email us.

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View form for the ProSeries^® Solid Brass Padlocks Laser Engraving Form and view form for the Pro Series^® WeatherTough/Shrouded Padlocks Laser Engraving Form.

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These locks are registered to a particular business or school and the keys are reserved for their use only. It is possible to purchase up to 12 additional keys if you are a registered end user of the school or institution.

Email your request on official letterhead to orders@mlock.com to the attention of Customer Service/Registered Keys.

Be sure to include the exact key numbers and any information that will help us find your user registration. The cost is $9.07 per key plus a $5.00 flat fee for shipping, regardless of the number of keys being ordered.

A remittance request will accompany your keys. Payment can be made by check or money order (at this time, credit card payments are not accepted).

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We do not supply replacement keys directly to customers. Instead, you may try another hardware store in your area or contacting a locksmith to see if they can produce a replacement key.

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The number of Government NSNs that pertained to American Lock solid body padlocks have been placed on the Federal Procurement List and are available directly from LC Industries. Contact Master Lock Customer Service for clarification on any NSN. NSNs on the FPL are available directly through LC Industries located in Raleigh NC. LC Industries can be contacted at: https://www.lcindustries.com/contact-us/.

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Please follow these steps to recover your lost combination.

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To obtain a Laser Engraving Form for your model, please click on the correct form below:

• S31 & S33 Thermoplastic Safety Lockout Padlocks Laser Engraving Form
• 406 & 410 Zenex^™ Safety Lockout Padlocks Laser Engraving Form
• 411 Zenex^™ Safety Lockout Padlocks Laser Engraving Form

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In order to obtain a new key, you must have notarized statement of ownership. Please review our steps in order to obtain a new set of keys.

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They might. Master Lock produced a variety of handlesets in the past. Our current handlesets have an 8 13/32" distance between the handleset bore and the lower mounting screw. If your current handle set has a different dimension, you'll need to plug the current hole and re-drill.

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If you recorded the key number, you may be able to get replacement keys from a hardware store or locksmith. If you didn't record the number, contact a locksmith to remove your lock.

Please note there will likely be a fee for this service.

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To download the Anti-Theft guarantee form in PDF format, click on the link that applies to your product below.

• 252DAT Advanced Security Steering Wheel Lock
• 263DAT High Security Steering Wheel Lock

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Top Tips for Protecting Your Home While on Vacation
While the warmer months are the most popular time for travel, they’re also the most popular for home burglaries. According to the Bureau of Justice Statistics, 65.8 percent of burglaries are residential and occur in 8 to 12 minutes. Burglars also search for homes that are unoccupied. Since nothing ruins a vacation more than worrying, make sure you’ve taken sufficient measures to deter burglars and thieves from entering your home.

• Never indicate that you’re away from home on your answering machine message. Turn down your telephone ringer volume. Unanswered telephone calls can alert burglars to an empty home.
• Show activity in your home while you’re away. Keep a car in the driveway, and keep interior and exterior lights on a timer. Consider a randomized version to turn your lights on and off at various intervals so they don’t all come on at once or always on the same schedule).
• Eliminate easy entry points by keeping entry doors, windows and the garage door closed and locked while away. To secure sliding doors, invest in a door security bar that prevents unauthorized entry, such as those made by Master Lock.
• Suspend newspaper and other deliveries while you’re out of town. Also, visit www.usps.com to hold your mail service.
• If you’re worried that people who may have access to your house keys -- contractors, babysitters, former roommates -- might try to enter while you’re away, a new product called NightWatch can help secure your home. With an ingenious locking mechanism, this deadbolt prevents anyone from opening a door from the outside, even with a key. Install them on all doors except one while you’re away, to prevent unauthorized keyed entry.
• Most people hide their valuables in one of three places -- a dresser drawer, the bedroom closet, or the freezer. Thieves know this, so it’s better to invest in a proper home safe to protect jewelry, firearms, cash and other valuables.
• Given the rise in identity theft, consider installing password protection software on your home computer to deter tech-savvy thieves. For example, Master Lock Vault is a combination website-mobile application that keeps all your usernames and passwords safe and secure, free of charge. You can find out more at www.masterlockvault.com.
• Give your lawn one last trim, or ask a neighbor to do it for you while you’re gone. An unkempt lawn can encourage thieves.
• Lastly, good neighborly relations are a great deterrent to crime. Offer to keep an eye on your neighbor’s property while they’re away and they’ll likely do the same for you.

Once you’ve secured your homefront you can rest easier on your vacation.

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Please forward a detailed note to our E-Commerce Team.

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View instructions on how to use the battery jump slot on your 1500eDBX dialSpeed electronic combination lock.

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View instructions on how to retrieve your Backup Master Code for the 1500eDBX dialSpeed electronic combination lock.

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Registering your safe is important and will help us provide you with excellent customer care in the event you have any questions about your safe.

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Your strike plate is misaligned. To prevent your door from being carded, you'll need to realign your strike plate.

The strike plate has a lip that prevents the side pin from manipulation. If the strike plate doesn't block the side pin, a credit card or screwdriver can open the lock. When reinstalling your strike plate, make sure that the side pin is blocked.

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For personal safety and security, you should always replace your broken lock with a new one.

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View the Career Opportunities section of our web site.