Locks | McMaster-Carr

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7,726 Products

Building and Machinery Hardware

Padlocks

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

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

Draw Latches

Pull toolbox and other container lids closed and secure them

Drawer and Cabinet Deadbolt Locks

Drawer and Cabinet Deadbolt Locks

Secure wooden drawers and cabinet doors with a key

Slide-Bolt Latches

Slide-Bolt Latches

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

Hasps

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

Lock Cylinders

Install in doors to lock and unlock them with a key

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Multipoint Latches

Multipoint Latches

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

Turn Latches

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

Padlockable Eyes

Padlockable Eyes

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

Door Lock Plates

Door Lock Plates

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

Cable Locks

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

Hasp Strike Plates

Hasp Strike Plates

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

Deadbolt Locks

Require a key or combination to unlock from the outside

Padlock Guards

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

Push Bar Retainers

Push Bar Retainers

Hold down push bars so traffic can pass freely through doorways

Push Bars

Open doors with a push; often found on emergency exits

Gate Latches

Restrict unwanted entry to gated areas

Swinging Latches

Swinging Latches

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

Locker Locks

Restrict access to lockers and their contents

Magnetic Latches

Magnetic Latches

Stop storage cabinets from swinging open when shut

Window Latches

Hold windows and screens closed for security or open for ventilation

Rotary Latches

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

Electromagnetic Locks

Electromagnetic Locks

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

Flush Bolt Locks

Flush Bolt Locks

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

Padlock Hanging Chains

Padlock Hanging Chains

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

Padlock Cables

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

Trailer Brake Locks

Trailer Brake Locks

Prevent semi-trailers from rolling away or being stolen while parked; also called glad hand locks

Cabinet Locking Bars

Cabinet Locking Bars

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

Door Strike Plates

Door Strike Plates

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

Electric Door Strike Plates

Electric Door Strike Plates

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

Cam Latch Covers

Cam Latch Covers

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

Cam Latch Handles

Cam Latch Handles

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

Cam Latch Padlock Brackets

Cam Latch Padlock Brackets

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

Chain Locks

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

Lockouts

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

Keys

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

Padlock Shims

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

Keypad Door Controls

Keypad Door Controls

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

Key Lock Boxes

Keep keys secure yet accessible at their point of use

Lock Rekeying Pins

Lock Rekeying Pins

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

Key Holders

Group keys on a single ring for easy access

Door Handles and Knobs

Door Handles and Knobs

Open and close latching doors

Cam Handles

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

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

Window Openers

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

Door Installation Kits

Door Installation Kits

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

Material Handling

Bungee Cord Locks

Bungee Cord Locks

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

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Hitch Receivers

Hitch Receivers

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

Hitch-Ball Couplers

Hitch-Ball Couplers

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

Hitch Balls

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

Hitch Inserts

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

Trailer Couplers

Trailer Couplers

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

Kingpin Locks

Cover kingpins on trailers to prevent theft

Trailer Safety Chains

Trailer Safety Chains

Keep trailers attached to vehicles even when hitches fail

Floor Locks

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

Hook Latches

Replace the latch on hooks

Cable Ties

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

Twist Ties

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

Baling Wire

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

Fastening and Joining

Spring Plungers

Spring Plungers

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

Spring Plunger Catches

Spring Plunger Catches

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

Communication

Tamper-Evident Seals

Tamper-Evident Seals

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

Reference Books

Reference Books

Keep industrial information, regulations, and processes on hand

Reference Media

Reference Media

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

Audible Alarms

Everything from bells and whistles to horns and sirens

Containers, Storage, and Furniture

Drum Locks

Secure drum lids and openings to prevent tampering

Drum-Plug Caps

Access inside drums to fill them

Drum Locking Rings

Drum Locking Rings

Clamp lids onto drums for a tight seal

Toilet Partition Latches

Toilet Partition Latches

Replace the latch on your toilet partition door

Toilet Partition Door Hardware

Toilet Partition Door Hardware

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

Toilet Partition Trim Shoes

Toilet Partition Trim Shoes

Replace the trim shoes on the bottom of toilet partition columns

Fabricating and Machining

Alignment Locks

Alignment Locks

Precisely align your mold halves

Clamps

Hold workpieces securely in place

Fluid Handling

Hose and Hose Fittings

Hose and Hose Fittings

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

Hose End Safety Straps

Hose End Safety Straps

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

Breather Vents

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

Electrical

Electrical Cord Locks

Electrical Cord Locks

Cover mated connectors on electrical cords to prevent disconnection

Electrical Connector Clips

Electrical Connector Clips

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

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Electrical Cable

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

Heating, Ventilation, and Air Conditioning

Thermostat Guards

Thermostat Guards

Restrict access to thermostats and protect them from damage

Raw Materials

Nickel

An upgrade from stainless steel that withstands harsh chemicals and acids at high temperatures

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments

Power Transmission

Cylinder Rod Locks

Cylinder Rod Locks

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)