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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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7-8 Outer Diameter

7/8" (0.875) Inch Outer Diameter Standard Extension Springs

Definition of 7/8" Outer Diameter Extension Springs:
A 7/8" (seven eighths of an inch) outer diameter extension spring has an outer diameter of 0.875 inches. This is a large-size extension spring commonly used in systems that require strong, reliable tension force and durable mechanical performance. Applications include heavy tools, industrial equipment, garage mechanisms, and automotive systems.

At The Spring Store by Acxess Spring, we carry a wide variety of 7/8" OD extension springs in multiple hook styles, coil counts, wire thicknesses, and tension ratings.

How To Measure Your 7/8" Inner Diameter Stock Extension Spring

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

Your 7/8" (seven eighths of an inch) extension spring’s outer diameter is a defining factor for its strength, tension range, and fit within your assembly. A 7/8" OD extension spring is ideal for high-stress, heavy-load environments requiring reliable resistance and long service life.

The 7/8" (0.875) OD extension springs we offer come in diverse configurations — including different wire diameters, coil lengths, body sizes, and hook types — to match your application’s mechanical needs.

All of our 7/8" OD extension springs are built using high-grade 302 stainless steel (ASTM A 313) or music wire (ASTM A 228), offering superior fatigue resistance, spring-back performance, and corrosion protection.

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