Miniature Springs | McMaster-Carr

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Spring Type

System of Measurement

Length

OD

0.075" to 3.75"

Wire Diameter

End Type

Closed and Ground

Open and Ground

Straight Wire with Double Loop

Material

Phosphor Bronze

Stainless Steel

ID

Spring Rate

Extended Length @ Maximum Load

Compressed Length @ Maximum Load

Load

Less than 10 lb.

10 lb. to 19.9 lb.

20 lb. to 24.9 lb.

25 lb. to 49.9 lb.

50 lb. or greater

Shaft Diameter

Minimum Load

RoHS

Compliant with Exemptions

REACH

Deflection Angle

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Hole Diameter

Finish

Wire Thickness

Spring Wind Direction

Thickness

Extended Length

Maximum Torque

Less than 5 in·lbf

5 in·lbf to 9.99 in·lbf

10 in·lbf to 19.99 in·lbf

20 in·lbf to 24.99 in·lbf

25 in·lbf or greater

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8,166 Products

Power Transmission

Compression Springs

Compression Springs

When squeezed, springs push back to their original length

Extension Springs

Extension Springs

As stretched, springs become increasingly harder to pull

Torsion Springs

Torsion Springs

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

Disc Springs

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

Rotor Springs

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

Strip Springs

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

Made-to-Order Compression Springs

Made-to-Order Compression Springs

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

Die Springs

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

Garter Springs

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

Air Springs

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

Gas Springs

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

Measuring and Inspecting

Force Gauges

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

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