Locks | McMaster-Carr

Filter by

Keying

Without Lock Cylinder

Body Color

Material

Lock Type

System of Measurement

Shackle Diameter

Vertical Shackle Clearance

Unlocks With

Key-Controlled Combination

Mount Type

Body Material

Color

Shackle Type

Manufacturer

Assa Abloy Securitron

Number of Keys Included

Key Number

Latching Distance

Shackle Material

Bumper Color

Body Height

Manufacturer Model Number

Horizontal Shackle Clearance

Opens With

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Not Compliant

Forward

How can we improve?

8,258 Products

Most Likely Products

Padlocks

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

1,129 products

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

1,095 products

Keypad Door Controls

Enter a code to operate electromagnetic locks, electric door strikes, and other access controls

4 products

All Results

Building and Machinery Hardware

Padlocks

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

1,129 products

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

1,095 products

Drawer and Cabinet Deadbolt Locks

Secure wooden drawers and cabinet doors with a key

116 products

Slide-Bolt Latches

Slide the bolt to secure everything from swinging gates to overhead garage doors

120 products

Draw Latches

Pull toolbox and other container lids closed and secure them

468 products

Hasps

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

94 products

Push-to-Close Latches

Automatically hold doors shut when you push them closed

322 products

Lock Cylinders

Install in doors to lock and unlock them with a key

28 products

Turn Latches

Keep hatches, panels, and small doors shut with the twist of a handle

13 products

Padlockable Eyes

Mount to a door and its frame and secure with a padlock to keep doors closed

4 products

Cable Locks

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

15 products

Multipoint Latches

Secure tall cabinets and trailer doors at multiple spots along their frame for extra holding power

89 products

Door Lock Plates

Temporarily secure doors with a padlock when repairing or replacing their handle

1 product

Hasp Strike Plates

Receive the arm of your hasp and secure with a padlock to lock doors and containers

12 products

Deadbolt Locks

Require a key or combination to unlock from the outside

40 products

Gate Latches

Restrict unwanted entry to gated areas

23 products

Push Bar Retainers

Hold down push bars so traffic can pass freely through doorways

3 products

Push Bars

Open doors with a push; often found on emergency exits

99 products

Rotary Latches

Open doors around corners and other obstructions; adjust for misalignment when closing

51 products

Padlock Guards

Shield padlocks from bangs and bumps, dust, rain, and snow

2 products

Swinging Latches

Swing the arm into the strike plate to keep shed, refrigerator, and other doors closed

61 products

Chain Locks

Harder to cut than cable, loop around tools and gates for extra security against theft or break-ins

1 product

Window Latches

Hold windows and screens closed for security or open for ventilation

9 products

Multipoint Latch Conversion Kits

Turn your single-point lock or latch into a system that fastens doors at multiple points

12 products

Magnetic Latches

Stop storage cabinets from swinging open when shut

144 products

Flush Bolt Locks

Prevent double doors from being opened, or lock one door while the other stays unlocked

12 products

Padlock Cables

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

9 products

Door Strike Plates

Reinforce the area where the latch meets the frame to protect it from friction

1 product

Cam Latch Handles

Grab and pull to open a door when the cam lock or latch doesn't have a handle

4 products

Padlock Hanging Chains

Attach padlocks that aren't in use to walls and workstations to prevent losing them

9 products

Cam Latch Covers

Seal off cam locks and latches so dust, dirt, and water don't get in

3 products

Electromagnetic Locks

Control who enters through doors using a switch or keypad without replacing internal hardware

14 products

Cargo Door Locks

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

18 products

Trailer Brake Locks

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

12 products

Electric Door Strike Plates

Release the latch when activated by a switch, keypad, or card reader

8 products

Cam Latch Padlock Brackets

Mount to cam locks or latches without a handle to add a padlock for security

2 products

Wheel Clamp Locks

Lock a wheel to prevent forklifts, tuggers, and other vehicles from moving

5 products

Door Locking Bars

Mount across doorways to protect against forced entry

5 products

Keypad Door Controls

Enter a code to operate electromagnetic locks, electric door strikes, and other access controls

4 products

Keys

Replace or cut new keys for padlocks, enclosures, cabinet doors, and locksets

375 products

Padlock Shims

Slide between the shackle and body to open padlocks that are damaged or missing keys

1 product

Key Lock Boxes

Keep keys secure yet accessible at their point of use

11 products

Lock Rekeying Pins

Change your lock's pins so it will open with a different key

6 products

Key Holders

Group keys on a single ring for easy access

6 products

Lockouts

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

250 products

T-Slotted Framing and Fittings

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

49 products

Locking-Slotted Framing and Fittings

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

12 products

Door Handles and Knobs

Open and close latching doors

224 products

Cam Handles

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

106 products

Tablet and Laptop Mounts

Snap in tablets and laptops to mount them on stands and positioning arms

3 products

Window Openers

Operate crank- or push-to-open casement and awning windows

3 products

Door Installation Kits

Complete your door installation with a handle or knob, strike plate, and hinges

12 products

Material Handling

Bungee Cord Locks

Position on bungee cords to create stops and keep the cords from rubbing against surfaces

7 products

Hitch Pins

Secure hitch inserts to hitch receivers for towing

12 products

Hitch-Ball Couplers

Bolt or weld to trailers and connect to hitch balls on vehicles for towing

10 products

Hitch-Ball Coupler Locks

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

4 products

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

32 products

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

9 products

Hitch Receivers

Use with hitch inserts and pins to create a complete hitch for towing

2 products

Hitch Kits

Everything you need to attach a hitch to your vehicle’s receiver

2 products

Kingpin Locks

Cover kingpins on trailers to prevent theft

3 products

Trailer Couplers

Push trailer-mounted rings into vehicle-mounted jaws for towing

2 products

Trailer Safety Chains

Keep trailers attached to vehicles even when hitches fail

5 products

Forklift Hitch Receivers

Secure to forklift forks and slide in a hitch to adapt a forklift for towing

1 product

Floor Locks

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

29 products

Hook Latches

Replace the latch on hooks

51 products

Twist Ties

Wind the ends to bundle cable and wire or close bags and sacks

57 products

Cable Ties

Bundle and secure cable, wire, and hose; also known as zip ties

2 products

Baling Wire

Secure large bundles such as lumber, cardboard, and wire coils

25 products

Containers, Storage, and Furniture

Locker Locks

Restrict access to lockers and their contents

30 products

Cabinet Locking Bars

Block multiple cabinet drawers at once so they can't be opened

26 products

Drum Locks

Secure drum lids and openings to prevent tampering

3 products

Drum Locking Rings

Clamp lids onto drums for a tight seal

7 products

Drum Plug Caps

Access inside drums to fill them

4 products

Toilet Partition Door Hardware

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

7 products

Toilet Partition Latches

Replace the latch on your toilet partition door

9 products

Toilet Partition Trim Shoes

Replace the trim shoes on the bottom of toilet partition columns

33 products

Fastening and Joining

Spring Plungers

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

1,087 products

Spring Plunger Catches

Act as a stop for positioning ball-nose and long-nose spring plungers

16 products

Communication

Tamper-Evident Seals

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

84 products

Reference Media

View digital machinery handbooks and video programs on OSHA's lockout/tagout procedures

3 products

Audible Alarms/Indicator Lights

Alert people with both light and sound

1 product

Audible Alarms

Everything from bells and whistles to horns and sirens

4 products

Fabricating and Machining

Alignment Locks

Precisely align your mold halves

25 products

Toggle Clamps

Lock workpieces onto worktables or objects

48 products

Electrical

Electrical Cord Locks

Cover mated connectors on extension cords to prevent disconnection

5 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

9 products

Security Cable

Connect low-current security and intercom systems

1 product

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

3 products

Fluid Handling

Hose and Hose Fittings

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

860 products

Hose End Safety Straps

Wrap around the levers on cam-and-groove hose fittings to prevent accidental release and spills

3 products

Breather Vents

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

5 products

Heating, Ventilation, and Air Conditioning

Thermostat Guards

Restrict access to thermostats and protect them from damage

12 products

Raw Materials

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

235 products

Nickel

An upgrade from stainless steel to withstand harsh chemicals and acids—all with material certificates for traceability

80 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