Master Lock Padlocks | McMaster-Carr

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About Padlocks

Padlocks

Choose these locks if you need locks that each open with a different key.

Extra-Clearance Padlocks

Vertical shackle clearance is greater than 1". Choose these locks if you need locks that each open with a different key.

Push-Key Padlocks

Insert a key and pull down on the flared body to open these padlocks—they're easy to open with one hand and ideal for users with limited dexterity.

Adjustable-Clearance Padlocks

More versatile than other padlocks because the shackles can lock in several vertical positions.

Cut-Resistant Padlocks

Shackle is concealed to make it difficult to cut. Choose these locks if you need locks that each open with a different key.

Choose-a-Color Lockout Padlocks

Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you need locks that each open with a different key.

Extra-Clearance Choose-a-Color
Lockout Padlocks with Labels

Locks have a vertical shackle clearance that's greater than 1” and include a Danger label as well as a write-on label marked Property of. Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you need locks that each open with a different key.

Extra-Clearance Choose-a-Color Lockout Padlocks

Vertical shackle clearance is greater than 1”. Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you need locks that each open with a different key.

Nonconductive Choose-a-Color
Lockout Padlocks with Labels

All external parts are plastic, making these locks nonconductive, nonsparking, and nonmagnetic. Locks include a Danger label as well as a write-on label marked Property of. They come in a variety of colors for lockout identification compliance. Choose these locks if you need locks that each open with a different key.

Weather-Resistant Padlocks

These corrosion-resistant padlocks are well suited for refineries and marine applications. Choose them if you need locks that each open with a different key.

Weather-Resistant Extra-Clearance Padlocks

Vertical shackle clearance is greater than 1". These corrosion-resistant padlocks are well suited for refineries and marine applications. Choose them if you need locks that each open with a different key.

Weather- and Cut-Resistant Padlocks

Shackle is concealed to make it difficult to cut.

Keyed Alike Padlocks

Choose these locks if you need several locks that open with the same key.

Extra-Clearance Keyed Alike Padlocks

Vertical shackle clearance is greater than 1". Choose these locks if you need several locks that open with the same key.

Cut-Resistant Keyed Alike Padlocks

Shackle is concealed to make it difficult to cut. Choose these locks if you need several locks that open with the same key.

Choose-a-Color Keyed Alike Lockout Padlocks

Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you need several locks that open with the same key.

Extra-Clearance Choose-a-Color
Keyed Alike Lockout Padlocks

Vertical shackle clearance is greater than 1". Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you need several locks that open with the same key.

Extra-Clearance Choose-a-Color Keyed
Alike Lockout Padlocks with Labels

Locks have a vertical shackle clearance that's greater than 1" and include a Danger label as well as a write-on label marked Property of. Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you need several locks that open with the same key.

Nonconductive Choose-a-Color Keyed
Alike Lockout Padlocks with Labels

Weather-Resistant Extra-Clearance
Keyed Alike Padlocks

Vertical shackle clearance is greater than 1". These corrosion-resistant padlocks are well suited for refineries and marine applications. Choose them if you need several locks that open with the same key.

Weather-Resistant Keyed Alike Padlocks

These corrosion-resistant padlocks are well suited for refineries and marine applications. Choose them if you need several locks that open with the same key.

Weather- and Cut-Resistant Keyed Alike Padlocks

Shackle is concealed to make it difficult to cut. These corrosion-resistant padlocks are well suited for refineries and marine applications. Choose them if you need several locks that open with the same key.

Master Keyed Padlocks

Extra-Clearance Master Keyed Padlock Sets

Vertical shackle clearance is greater than 1”.

Master Keyed Padlock Sets

Weather-Resistant Extra-Clearance
Master Keyed Padlocks

Vertical shackle clearance is greater than 1". These corrosion-resistant padlocks are well suited for refineries and marine applications. Choose them if you want individual locks or groups of locks that open with their own key, but also open with a master key.

Weather- and Cut-Resistant Master Keyed Padlocks

Shackle is concealed to make it difficult to cut.

Weather-Resistant Master Keyed Padlocks

These corrosion-resistant padlocks are well suited for refineries and marine applications. Choose them if you want individual locks or groups of locks that open with their own key, but also open with a master key.

Master Keyed Padlocks

Extra-Clearance Master Keyed Padlocks

Vertical shackle clearance is greater than 1”. Choose these locks if you want individual locks or groups of locks that open with their own key, but also open with a master key.

Choose-a-Color Master Keyed Lockout Padlocks

Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you want individual locks or groups of locks that open with their own key, but also open with a master key.

Extra-Clearance Choose-a-Color Master
Keyed Lockout Padlocks with Labels

Extra-Clearance Choose-a-Color
Master Keyed Lockout Padlocks

Vertical shackle clearance is greater than 1". Padlocks come in a variety of colors for lockout identification compliance. Choose these locks if you want individual locks or groups of locks that open with their own key, but also open with a master key.

Match-Your-Key Padlocks

Extra-Clearance Match-Your-Key Padlocks

Vertical shackle clearance is greater than 1”.

Match-Your-Key Padlocks

Combination Padlocks

Weather-Resistant Extra-Clearance
Resettable Combination Padlocks

Vertical shackle clearance is greater than 1". These corrosion-resistant padlocks are well suited for refineries and marine applications. Set your own combination and change it at any time.

Weather- and Cut-Resistant
Resettable Combination Padlocks

Shackle is concealed to make it difficult to cut.

Resettable Combination Padlocks

Set your own combination and change it at any time.

Quick-Attach Resettable Combination Padlocks

Instead of a shackle, this lock has a hook with a latch to make it easier to attach than traditional padlocks. Set your own combination and change it at any time.

Combination Padlocks

Choose-a-Color Combination Padlocks

Padlocks come in a variety of colors for easy identification and organization.

Combination Alike Padlocks

Choose these locks if you need several locks that open with the same combination.

Extra-Clearance Combination Padlocks

Vertical shackle clearance is greater than 1”.

Key-Controlled Resettable Combination Padlocks

Open shackle one of two ways: With a control key or with the combination, which you can set and change at any time. Control key is sold separately.

Extra-Clearance Key-Controlled
Resettable Combination Padlocks

Vertical shackle clearance is greater than 1”. Open shackle one of two ways: With a control key or with the combination, which you can set and change at any time. Control key is sold separately.

Key-Controlled Combination Padlocks

Open the shackle with a control key as well as the combination.

Extra-Clearance Key-Controlled Combination Padlocks

Vertical shackle clearance is greater than 1". Open the shackle with a control key as well as the combination.

High-Security Key-Controlled Combination Padlocks

Compared to other combination padlocks, these have a reinforced body and dial, making the lock more difficult to shim and pull apart. The dial rim is also recessed to prevent tampering. Open the shackle with a control key as well as the combination.

Bluetooth Padlocks

No more lost keys or forgotten combinations, these padlocks open with your Bluetooth-enabled smartphone.

Post-Style Shackle Padlocks

Choose these if you need locks that each open with a different key. Often used on utility meters, vending machines, and for other applications in confined spaces, these locks have a removable post-style shackle.

Post-Style Shackle Keyed Alike Padlocks

Choose these if you need several locks that open with the same key. Often used on utility meters, vending machines, and for other applications in confined spaces, these locks have a removable post-style shackle.

Breakable-Shackle Padlocks

In an emergency, use a hammer to quickly break the shackle on these locks. They are often used for sprinkler shutoff valves and fire hose housings.

Flexible-Shackle Padlocks

Choose these locks if you need locks that each open with a different key. Wrap the flexible braided steel shackle around small tools and equipment to prevent theft and unauthorized use.

Flexible-Shackle Keyed Alike Padlocks

Choose these locks if you need several locks that open with the same key. Wrap the flexible braided steel shackle around small tools and equipment to prevent theft and unauthorized use.

Extra-Clearance Removable Shackle Padlocks

The large vertical shackle clearance is useful for securing bulky items. The entire shackle separates from the body, making it easy to secure and remove these locks.

Padlock Keys

Replace individual and get master padlock keys.

Cable Locks

Adjustable-Length Cable Locks

This lock has a cinching collar that allows you to tighten and loosen the cable around equipment.

Resettable Combination Cable Locks

No more misplaced keys—these resettable cable locks open with a combination.

Cable Locks

Adjustable-Length Keyed Alike Cable Locks

Similar to cable locks, except this lock has a cinching collar that allows you to tighten and loosen the cable around equipment. Choose this lock if you need several locks that open with the same key.