Retaining Springs | McMaster-Carr

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System of Measurement

Length

Spring Type

Material

Wire Diameter

End Type

Spring Rate

Shaft Diameter

Extended Length @ Maximum Load

Compressed Length @ Maximum Load

Load

1,000 lb. to 1,999 lb.

2,000 lb. to 2,999 lb.

3,000 lb. to 9,999 lb.

10,000 lb. or greater

Hole Diameter

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Minimum Load

Thickness

Performance

Finish

Zinc Yellow-Chromate Plated

Deflection Angle

Extended Length

Color

Screw Size

12,041 Products

Power Transmission

Extension Springs

When stretched, springs pull their ends back together

4,736 products

Die Springs

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

484 products

Die Spring Cages

Contain the pieces from broken springs to protect dies from damage

10 products

Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

10 products

Garter Springs

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

74 products

Compression Springs

When squeezed, springs push back to their original length

2,792 products

Torsion Springs

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

560 products

Disc Springs

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

1,680 products

Strip Springs

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

77 products

Spring Assortments

Keep extension, compression, and torsion spring types of various sizes on hand

7 products

Rotor Springs

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

10 products

Linear Wave Springs

Absorb vibration and fill in gaps along the length of an object

22 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

Gas Springs

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

812 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Fabricating and Machining

Air Hammer Retainers

Replace the retainer on your air hammer

5 products

Springs for Locking Pliers

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

6 products

Fastening and Joining

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

65 products

Lock Washers

Resist vibration to prevent fasteners from loosening

468 products

Measuring and Inspecting

Force Gauges

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

11 products