Aluminum Locks | McMaster-Carr

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987 Products

Building and Machinery Hardware

Padlocks

Shackle objects together, such as a door and its frame, to prevent theft or unauthorized entry

231 products

Cable Locks

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

3 products

Window Latches

Hold windows and screens closed for security or open for ventilation

3 products

Padlock Cables

Tie around gates and equipment and secure with a padlock to prevent break-ins or theft

8 products

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

21 products

Gate Latches

Restrict unwanted entry to gated areas

4 products

Magnetic Latches

Stop storage cabinets from swinging open when shut

9 products

Hasps

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

2 products

Cargo Door Locks

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

5 products

Push-to-Close Latches

Automatically hold doors shut when you push them closed

4 products

Push Bars

Open doors with a push; often found on emergency exits

44 products

Trailer Brake Locks

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

6 products

Draw Latches

Pull toolbox and other container lids closed and secure them

2 products

T-Slotted Framing and Fittings

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

16 products

Locking-Slotted Framing and Fittings

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

8 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

Key Holders

Group keys on a single ring for easy access

6 products

Tablet, Laptop, and Mobile Device Mounts

Hold and position your electronic devices so they're in sight and within reach

2 products

Material Handling

Kingpin Locks

Cover kingpins on trailers to prevent theft

1 product

Hitch Pins

Secure hitch inserts to hitch receivers for towing

2 products

Hitch-Ball Coupler Locks

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

1 product

Floor Locks

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

2 products

Communication

Audible Alarms/Indicator Lights

Alert people with both light and sound

2 products

Audible Door Alarms

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

7 products

Tamper-Evident Seals

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

5 products

Power Transmission

Cylinder Rod Locks

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

6 products

Fluid Handling

Breather Vents

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

1 product

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

417 products

Fastening and Joining

Spring Plungers

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

12 products

Containers, Storage, and Furniture

Toilet Partition Door Hardware

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

3 products