Piano Wire Extension Springs | McMaster-Carr

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System of Measurement

Length

Spring Type

OD

Wire Diameter

Extended Length @ Maximum Load

End Type

Closed and Ground

Spring Rate

Load

Less than 10 lb.

10 lb. to 24.9 lb.

25 lb. to 49.9 lb.

50 lb. to 99.9 lb.

100 lb. or greater

Material

18-8 Stainless Steel

Minimum Load

ID

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Finish

Compressed Length @ Maximum Load

Thread Size

Hole Diameter

Diameter

Thread Type

Military Specification

Maximum Temperature

Certificate Type

Material Certificate with Traceable Lot Number

Material Certificate with Traceable Lot Number and Test Report

Thread Spacing

How can we improve?

2,374 Products

Power Transmission

Extension Springs

Extension Springs

As stretched, springs become increasingly harder to pull

Spring Assortments

Spring Assortments

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

Compression Springs

Compression Springs

When squeezed, springs push back to their original length

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.)