9-32 Outer Diameter
9/32" (0.28125) Inch Outer Diameter Standard Extension Springs
Definition of 9/32" Outer Diameter Extension Springs:
A 9/32" (nine thirty-seconds of an inch) outer diameter extension spring has an outer diameter of 0.28125 inches. This size is ideal for medium-duty tension applications requiring a balance between space and performance. These springs are often used in tools, mechanical assemblies, electronics, and industrial devices.
At The Spring Store by Acxess Spring, we offer a wide selection of 9/32" OD extension springs in different wire sizes, body lengths, hook styles, and tension ratings.
How To Measure Your 9/32" Inner Diameter Stock Extension Spring
Your 9/32" (nine thirty-seconds of an inch) extension spring’s outer diameter is essential to selecting the right spring for your design. A 9/32" OD extension spring provides a solid compromise between compact size and effective pulling force, making it suitable for many mid-range applications.
The 9/32" (0.28125) OD extension springs in our catalog come with multiple customization options, including wire diameter, total coils, hook configurations, and initial tension — all of which influence performance under load.
Our 9/32" OD stock extension springs are made from high-quality materials such as 302 stainless steel (ASTM A 313) and music wire (ASTM A 228), offering excellent strength, fatigue resistance, and corrosion protection.
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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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