Plastic Springs | McMaster-Carr

Filter by

Spring Type

Compression

Extension

Strip

System of Measurement

Length

Energy Capacity

Spring Rate

Material

Compressed Length @ Maximum Load

End Type

Mounting Hole Diameter

Base Diameter

Thread Size

Wire Thickness

Color

Mount Type

Width

Compressed OD @ Maximum Load

Extended Length @ Maximum Load

Height

Maximum Temperature

Hardness

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

REACH

735 Products

Power Transmission

Compression Springs

When squeezed, springs push back to their original length

105 products

Extension Springs

As stretched, springs become increasingly harder to pull

33 products

Constant-Force Retractors

Attach an object and the spring controls tension as the object is slowly pulled out and back

23 products

Air Springs

Absorb vibration in moving equipment such as conveyors and transfer stations; lift and level loads

1 product

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

5 products

Fastening and Joining

Spring Plungers

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

504 products

Lock Washers

Resist vibration to prevent fasteners from loosening

9 products

Material Handling

Tool Retractors

Hang tools and pull them down as needed; let go, and the cable pulls them up and out of the way

16 products

Tool Balancers

Minimize user fatigue by suspending tools to offset their weight

2 products

Hoists

Lift and position heavy loads using manual, electric, or air power

1 product

Fabricating and Machining

Spring Stops

Push back against workpieces to hold them in place against stops and rails

4 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

15 products

Building and Machinery Hardware

Garage Door Openers

Automatically open and close overhead doors; also known as jackshafts

4 products