Master Lock Replacement Keys: Key Codes, Compatible Keys & Where to Buy

Master Lock makes padlock keys, key lock box keys, cam lock keys. We stock replacement keys for Master Lock locks across 4 product categories, with 9 key types available. Find your Master Lock key code on the lock or original key and order an exact cut-to-code replacement below.

About Master Lock

Master Lock is the world's largest padlock manufacturer, producing combination locks, keyed padlocks, key lock boxes, and security products for home, commercial, and industrial use.

• Founded: 1921
• Headquarters: Milwaukee, Wisconsin, USA
• Known for: Padlocks, combination locks, key lock boxes, and security accessories

What Master Lock Products Use Keys?

Master Lock manufactures padlocks, combination locks, key lock boxes, and security accessories. The types of keys used in Master Lock products include:

• Padlock keys
• key lock box keys
• cam lock keys

Each lock type uses a specific key profile, so knowing your lock brand and key code is essential when ordering a replacement.

How to Find Your Master Lock Key Code

To order a replacement Master Lock key, you need your key code. Here is where to look:

1. On the lock face: Look for a stamped code number on the front of the lock cylinder or lock body
2. On the original key: The code may be stamped on the bow (handle) of your existing key
3. Product documentation: Check the manual, receipt, or warranty card that came with the product
4. On the product: Some products have the key code on a label on the back, underside, or inside the unit
5. Contact Master Lock: The manufacturer can often provide the key code from a serial or model number

Once you have the code, you can order an exact replacement from our store, cut to code and delivered to your door.

Compatible Master Lock Replacement Keys

The table below shows all Master Lock replacement keys currently available in our store. Find your key code range and click through to order.

Frequently Asked Questions

What replacement keys do you stock for Master Lock?

We stock replacement keys for Master Lock locks including padlock keys, key lock box keys, cam lock keys. All keys are cut to your exact code and delivered to your door. Browse our 4 collections below to find your Master Lock key.

How do I find my Master Lock key code?

Look on the lock face for a stamped code number. The code may also be on the original key, in the product documentation, or on a label on the product. If you cannot find the code, contact Master Lock with the product model or serial number.

How many Master Lock key types do you stock?

We currently stock 9 different Master Lock key types across 4 product categories. See the compatible keys table above for the full range.

Can I order a Master Lock key without the original?

Yes, as long as you have the key code, you can order a replacement Master Lock key without the original. The code is usually found on the lock face, product documentation, or by contacting the manufacturer.

How long does delivery take for Master Lock keys?

We aim to dispatch all orders promptly. Master Lock replacement keys are cut to code in our workshop and posted to you. Most UK orders arrive within a few working days.