Lock Springs | McMaster-Carr

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Spring Type

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Material

Wire Diameter

Extended Length @ Maximum Load

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Straight Wire with Double Loop

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DFARS Specialty Metals

Load

REACH

Export Control Classification Number (ECCN)

2B999

EAR99

RoHS

Compliant

Compliant with Exemptions

Body Type

Body Material

Nose Material

Minimum Load

Washer Type

Spring Plunger Nose Type

Finish

Nose Diameter

Deflection Angle

9,487 Products

Fastening and Joining

Spring Plungers

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

1,377 products

Lock Washers

Resist vibration to prevent fasteners from loosening

1,110 products

Power Transmission

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

5,301 products

Gas Springs

Support the weight of doors, hatches, and lids to assist opening and closing

951 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Building and Machinery Hardware

Push-to-Close Latches

Automatically hold doors shut when you push them closed

148 products

Rotary Latches

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

43 products

Slide-Bolt Latches

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

20 products

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

61 products

Multipoint Latches

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

3 products

Draw Latches

Pull toolbox and other container lids closed and secure them

18 products

Hinges

Mount to doors, windows, and panels so they can swing open and closed

200 products

Door Closers

Automatically and smoothly pull doors, storm doors, and gates closed

4 products

Door Springs

Extend and snap back to pull storm doors and gates closed

18 products

Bellows

Prevent dust and debris from damaging moving parts

6 products

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing

3 products

Fabricating and Machining

Locking Pliers

Clamp workpieces and lock them in place to keep your hands free

6 products

Material Handling

Hook Latches

Replace the latch on hooks

51 products