Spiral Springs | McMaster-Carr

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Spring Type

System of Measurement

Diameter

Length

Material

Stainless Steel

Number of Turns

Width

OD

Thickness

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

Shaft Diameter

Maximum Torque

Extended Length

ID

Torque

Less than 1 in·lbf

1 in·lbf to 1.99 in·lbf

2 in·lbf to 4.99 in·lbf

5 in·lbf to 9.99 in·lbf

10 in·lbf or greater

Hole Diameter

0.031" to 0.032"

0.039" to 0.040"

0.047" to 0.048"

0.051" to 0.053"

0.061" to 0.065"

0.062" to 0.065"

0.077" to 0.081"

0.093" to 0.097"

0.094" to 0.097"

0.108" to 0.112"

0.109" to 0.112"

0.124" to 0.129"

0.125" to 0.129"

0.155" to 0.160"

0.156" to 0.160"

0.185" to 0.192"

0.187" to 0.192"

0.217" to 0.224"

Useful Life

Cable Travel

Cable Tension

DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

REACH

RoHS

Weight Load

0.5 lb. to 1.00 lb.

0.55 lb. to 1.00 lb.

0.55 lb. to 1.20 lb.

0.75 lb. to 1.50 lb.

0.9 lb. to 1.80 lb.

1 lb. to 2.20 lb.

1.5 lb. to 2.60 lb.

1.75 lb. to 3.30 lb.

2 lb. to 4.00 lb.

Performance

Corrosion Resistant

Stress Resistant

How can we improve?

593 Products

Power Transmission

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

Constant-Force Retractors

Constant-Force Retractors

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

Fastening and Joining

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

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