Tension Springs | McMaster-Carr

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System of Measurement

Length

Spring Type

OD

End Type

Extended Length @ Maximum Load

Wire Diameter

Spring Rate

Load

Less than 50 lb.

50 lb. to 99.9 lb.

100 lb. to 199.9 lb.

200 lb. to 249.9 lb.

250 lb. or greater

Material

Polypropylene Fabric

Stainless Steel

Minimum Load

REACH

RoHS

Compliant with Exemptions

ID

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Hook Type

Loop Type

Finish

Performance

Adjustable Force

Corrosion Resistant

Overload Prevention

Hole Diameter

Thread Size

Diameter

Thickness

Mounting Location

Military Specification

How can we improve?

4,902 Products

Extension Springs

Extension Springs

Extension Springs

When stretched, springs pull their ends back together

Overload-Prevention Extension Springs

Overload-Prevention Extension Springs

Drawbars stop overstretching before it starts to prevent breaking

Cut-to-Length Extension Springs

Cut-to-Length Extension Springs

Cut a custom length whenever you need it

Extra-Stretch Extension Springs

Extra-Stretch Extension Springs

Stretch up to three times their original length with lasting elasticity

Mil. Spec. Extension Springs

Mil. Spec. Extension Springs

Meet strict U.S. military standards for material and construction

Extension Springs with Swivel-Hook Ends

Extension Springs with Swivel-Hook Ends

Ends rotate freely to handle stress and twisting without snapping

Extension Spring Assortments

Extension Spring Assortments

Keep springs in different lengths, ODs, and wire diameters on hand

Other Products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Door Springs

Extend and snap back to pull storm doors and gates closed

Garter Springs

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

Springs for Locking Pliers

Springs for Locking Pliers

Change out worn or broken springs in the handle of your locking pliers

Overhead Door Spring Winding Rods

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing

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