Aluminum Locks | McMaster-Carr

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1,002 Products

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Padlocks

Choose-a-Color Lockout Padlocks

Prevent workers from operating equipment during maintenance

105 products

Extra-Clearance Choose-a-Color Lockout Padlocks

Easy to spot and tall enough to fit large hasps and thick chains

65 products

Padlocks

The most widely used padlocks

21 products

Weather-Resistant Choose-a-Color Lockout Padlocks with Labels

Alert workers on outdoor equipment to prevent startup during maintenance

15 products

Choose-a-Color Lockout Padlocks with Labels

Alert workers to locked-out equipment with a danger label and eye-catching colors

1 product

Lockout Padlock Sets

Stock up on lockout padlocks that open with a master key

18 products

Choose-a-Color Flexible-Shackle Lockout Padlocks

Weave through multiple hasps or lockouts, and alert workers with bright colors

6 products

Resettable Combination Padlocks

Set your own rolling digit combination and change it at any time

3 products

Extra-Clearance Choose-a-Color Lockout Padlocks with No-Copy Keys

Lock out equipment with large hasps and prevent people from duplicating the keys

2 products

Choose-a-Color Resettable Combination Padlocks

Color-code locked equipment and change your combination at any time

2 products

Choose-a-Color Lockout Padlocks with No-Copy Keys

Control who has keys to locked-out equipment

2 products

Weather-Resistant Choose-a-Color Flexible-Shackle Lockout Padlocks with Labels

Snake through lockouts on outdoor equipment—no extra cables or padlocks needed

4 products

Quick-Attach Choose-a-Color Combination Padlocks

Clip to small hasps and cables with one hand

1 product

Flexible-Shackle Padlocks

Bend and weave the shackle to secure multiple points with a single lock

8 products

Extra-Clearance Padlocks

Secure thick chains and items with large hasps

14 products

TSA-Accessible Resettable Combination Padlocks

Lock up your luggage when traveling

1 product

Replaceable-Cylinder Padlocks

Simplify keying and rekeying around your facility by slotting in your own cylinder

7 products

Other Products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

20 products

Lockouts

Ensure that machines stay turned off to prevent accidents during maintenance work

14 products

Cam Handles

For fast clamping, push down on the handle to draw two parts together

59 products

Window Latches

Hold windows and screens closed for security or open for ventilation

3 products

Cable Locks

Wrap around gates, tools, and equipment to prevent break-ins or theft

3 products

Cam Locks and Latches

Secure drawers, cabinets, mailboxes, and other enclosures

24 products

Gate Latches

Restrict unwanted entry to gated areas

4 products

Laptop Mounts

Create a secure mounting point for your laptop

1 product

Magnetic Latches

Stop storage cabinets from swinging open when shut

9 products

Audible Alarms/Indicator Lights

Alert people with both light and sound

2 products

Key Holders

Group keys on a single ring for easy access

6 products

Hitch Pins

Secure hitch inserts to hitch receivers for towing

2 products

Cylinder Rod Locks

Hold the piston's position during an emergency stop or power loss to keep the load safely in place

6 products

Hasps

Swing the arm over the strike plate and secure with a padlock or key to lock doors and containers

2 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

1 product

Cargo Door Locks

Secure delivery truck and shipping container doors to protect cargo from theft

5 products

Trailer Brake Locks

Prevent semi-trailers from rolling away or being stolen while parked

6 products

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

8 products

Audible Door Alarms

An alarm sounds if someone opens a door without using the code or key

7 products

Hitch-Ball Coupler Locks

Insert into the hitch-ball coupler latch or socket on your trailer to prevent theft

1 product

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

417 products

Push Bars

Open doors with a push; often found on emergency exits

44 products

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

5 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

4 products

Push-to-Close Latches

Automatically hold doors shut when you push them closed

4 products

Toilet Partition Door Hardware

Replace the hinges, latches, hooks, and handles on toilet partitions

3 products

Floor Locks

Stabilize carts, trucks, workbenches, and other mobile equipment during loading and unloading

2 products

Lockers

Store personal items at work or school

5 products