Spiral Torsion Springs | McMaster-Carr

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Spring Type

Deflection Angle

Shaft Diameter

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

OD

Material

Music-Wire Steel

Stainless Steel

Load

Less than 1 lb.

1 lb. to 4.99 lb.

5 lb. to 9.99 lb.

10 lb. to 24.99 lb.

25 lb. or greater

Width

Spring Wind Direction

Wire Diameter

Number of Turns

Spring Length @ Maximum Torque

ID

Thickness

Number of Coils

Leg Length

Extended Length

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RoHS

DFARS Specialty Metals

REACH

Cable Tension

Useful Life

Export Control Classification Number (ECCN)

Number of Mounting Holes

Mounting Hole Diameter

How can we improve?

675 Products

Power Transmission

Rotor Springs

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

Torsion Springs

Torsion Springs

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

Strip Springs

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

Constant-Force Retractors

Constant-Force Retractors

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

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