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Compression Springs Compression Springs

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Extension Springs Extension Springs

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Torsion Springs Torsion Springs

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Conical Springs Conical Springs

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25-64 Outer Diameter

25/64" (0.390625) Inch Outer Diameter Standard Extension Springs

Definition of 25/64" Outer Diameter Extension Springs:
A 25/64" (twenty-five sixty-fourths of an inch) outer diameter extension spring has an outer diameter of 0.390625 inches. This spring size is suitable for mid-to-heavy tension applications that require dependable extension, durability, and tight performance in compact spaces. It is commonly used in mechanical systems, hand tools, appliances, and industrial equipment.

At The Spring Store by Acxess Spring, we offer a diverse catalog of 25/64" OD extension springs in various hook types, wire diameters, body lengths, and load specifications.

How To Measure Your 25/64" Inner Diameter Stock Extension Spring

how to measure a extension springhow to measure a extension spring
extension force chartextension force chart

Your 25/64" (twenty-five sixty-fourths of an inch) extension spring’s outer diameter is a vital measurement that directly affects the spring’s tension, deflection, and mechanical fit. A 25/64" OD extension spring offers a solid blend of compact size and robust pulling force, perfect for systems requiring durability under frequent load cycles.

The 25/64" (0.390625) OD extension springs in our stock vary in wire diameter, total coils, body length, and hook style — all key factors that influence force and stretch performance.

All our 25/64" OD extension springs are manufactured from 302 stainless steel (ASTM A 313) and music wire (ASTM A 228), offering superior elasticity, strength, and resistance to environmental wear.

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