29-64 Outer Diameter
29/64" (0.453125) Inch Outer Diameter Standard Extension Springs
Definition of 29/64" Outer Diameter Extension Springs:
A 29/64" (twenty-nine sixty-fourths of an inch) outer diameter extension spring has an outer diameter of 0.453125 inches. This size is ideal for medium to heavy-duty tension applications requiring durable pulling force and reliable performance. These springs are often used in mechanical devices, tools, appliances, and industrial machinery.
At The Spring Store by Acxess Spring, we offer an extensive selection of 29/64" OD extension springs with multiple configurations, including hook styles, body lengths, and wire diameters.
How To Measure Your 29/64" Inner Diameter Stock Extension Spring
Your 29/64" (twenty-nine sixty-fourths of an inch) extension spring’s outer diameter plays a major role in how the spring performs under tension. A 29/64" OD extension spring provides strong pulling capability in a size suitable for robust yet space-efficient mechanisms.
The 29/64" (0.453125) OD springs are available in various combinations of wire diameter, coil count, body length, and hook type. These variables impact the spring’s tension force, stretch distance, and operational lifespan.
All 29/64" OD extension springs in our catalog are manufactured from premium materials such as 302 stainless steel (ASTM A 313) and music wire (ASTM A 228) to ensure excellent durability, flexibility, and resistance to corrosion.
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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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Hard Drawn (HD)
Machine Hook (MH)
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Music Wire (MW)
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