Steel Coils | McMaster-Carr

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System of Measurement

Length

Spring Type

OD

0.075" to 3.75"

Wire Diameter

End Type

Closed and Ground

Open and Ground

Straight Wire with Double Loop

Spring Rate

Material

18-8 Stainless Steel

ID

Extended Length @ Maximum Load

Load

Less than 250 lb.

250 lb. to 499 lb.

500 lb. to 999 lb.

1,000 lb. to 1,999 lb.

2,000 lb. or greater

Shaft Diameter

Compressed Length @ Maximum Load

Hole Diameter

Thickness

Width

Minimum Load

Color

Deflection Angle

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Wire Thickness

Export Control Classification Number (ECCN)

Finish

Phosphate Coated

Steel Grade

1006-1008 Low-Carbon Steel

1008 Low-Carbon Steel

Music-Wire Steel

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5,274 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

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

Die Springs

Support 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

Torsion Springs

Torsion Springs

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

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

Measuring and Inspecting

Force Gauges

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

Fastening and Joining

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

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