9-64 Inner Diameter
9/64" (0.140625) Inch Inner Diameter Standard Torsion Springs
Definition of 9/64" Inner Diameter Torsion Springs:
A 9/64" (nine sixty-fourths of an inch) inner diameter torsion spring has an inner diameter of 0.140625 inches and may fit over a mandrel or shaft diameter of approximately 1/8” (one eighth of an inch). You will find them in standard torsion spring catalogs where you may buy ready-made springs.
The Spring Store by Acxess Spring provides you with an extensive stock torsion spring catalog which you may search through by using our standard torsion spring finder.
How To Measure Your 9/64" Inner Diameter Stock Torsion Spring




Your 9/64" (nine sixty-fourths of an inch) torsion spring's measurements and dimensions have a lot to do with your standard torsion spring's force. For this reason, it is very important that the torsion spring's measurements are precise. Changing the wire diameter by even 0.001" can make a great difference on how strong your spring will be and how many degrees of travel you will be able to get out of it; especially with a spring as small as a 9/64" inner diameter torsion spring.
The 9/64" (nine sixty-fourths of an inch) inner diameter standard torsion springs provided here offer customers a wide variation of rate, load, and travel capacities. Every spring has its own amount of force due to the different physical dimensions; like wire diameter or total coils. The force chart to the right will explain what adjustments will make your spring stronger (more force) or weaker (less force).
For more force, you must either decrease your torsion spring's outer diameter, increase the wire diameter, take some coils out, or reduce the degrees of your torsion spring's free position by only taking a fraction of a coil out so you obtain more force through more travel. For less force, you must increase the outer diameter, decrease the wire diameter, add coils, or increase the degrees of your torsion spring's free position by only adding a fraction of a coil so you obtain less force through less travel.
These stock 9/64" (nine sixty-fourths of an inch) inner diameter torsion springs are made out of either 302 stainless steel (ASTM A 313) or music wire (ASTM A 228).
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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