Miniature Springs | McMaster-Carr

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System of Measurement

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Spring Type

Wire Diameter

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Material

Spring Rate

Extended Length @ Maximum Load

Compressed Length @ Maximum Load

Load

Shaft Diameter

Minimum Load

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

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DFARS Specialty Metals

Deflection Angle

Export Control Classification Number (ECCN)

Hole Diameter

Compression Spring Type

Finish

Performance

Wire Thickness

Maximum Temperature

Spring Wind Direction

8,167 Products

Power Transmission

Compression Springs

When squeezed, springs push back to their original length

2,435 products

Extension Springs

When stretched, springs pull their ends back together

4,422 products

Torsion Springs

Wrap around a shaft or rod to maintain pressure on objects as they rotate

462 products

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

427 products

Rotor Springs

Wind to store power, then release to create rotary motion—similar to winding a wristwatch

1 product

Strip Springs

Wrap around a shaft and extend to pull objects in a linear direction

36 products

Made-to-Order Compression Springs

If you can't find the exact size spring you need, we'll get it made for you

80 products

Die Springs

Support heavy loads with minimal compression in high-impact jobs such as punching and stamping

45 products

Garter Springs

Exert radial force from all directions to maintain pressure on shafts or in seals

12 products

Air Springs

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

1 product

Gas Springs

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

226 products

Measuring and Inspecting

Force Gauges

Test objects to see how much tension and compression force they can bear

11 products

Fabricating and Machining

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

1 product