5-8 Outer Diameter
5/8" (0.625) Inch Outer Diameter Standard Extension Springs
Definition of 5/8" Outer Diameter Extension Springs:
A 5/8" (five eighths of an inch) outer diameter extension spring has an outer diameter of 0.625 inches. This size is ideal for heavy-duty tension applications where strong and consistent pulling force is needed. These springs are commonly used in industrial machinery, automotive assemblies, tools, and heavy equipment.
At The Spring Store by Acxess Spring, you can explore a wide range of 5/8" OD extension springs available in multiple wire diameters, hook configurations, coil counts, and load strengths.
How To Measure Your 5/8" Inner Diameter Stock Extension Spring
Your 5/8" (five eighths of an inch) extension spring’s outer diameter is essential for achieving the right balance between space, strength, and stretch capacity. A 5/8" OD extension spring delivers high performance in tension-heavy systems that demand long cycle life and mechanical reliability.
The 5/8" (0.625) OD extension springs in our catalog offer a range of configurations — including wire thickness, hook style, coil count, and body length — that affect how much load the spring can carry and how far it can extend.
All 5/8" OD extension springs are crafted from top-quality 302 stainless steel (ASTM A 313) or music wire (ASTM A 228) to ensure superior corrosion resistance, fatigue strength, and elasticity.
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Price Part Number Image Ship typeOutside Diameter
Ship type
Inside Diameter
Outside Diameter
Free Length
Inside Diameter
Rate
Free Length
Max. Deflection
Spring rate or spring constant: The amout of force required to move the spring 1 inch of distance or in millimeters the amount of force required to move the spring 1 millimeter of distance.
Max. Load
Max. Deflection
Solid Height
The maximum amount of force or load you can place on this spring. If you put more force than this you will distort or fatigue the spring.
Wire Diameter
Solid Height
Total Coils
Wire Diameter
Material Type
Total Coils
End Type
Material Type
End Type
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