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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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21-64 Outer Diameter

21/64" (0.328125) Inch Outer Diameter Standard Compression Springs

Definition of 21/64" Outer Diameter Compression Springs:
A 21/64" (twenty-one sixty-fourths of an inch) outer diameter compression spring has an outer diameter of 0.328125 inches. These mid-sized compression springs are ideal for applications that require balanced strength and flexibility, such as mechanical controls, automotive parts, and small machinery components.

At The Spring Store by Acxess Spring, we offer a wide selection of 21/64" OD compression springs in various wire diameters, spring rates, free lengths, and coil counts to match your design requirements.

How To Measure Your 21/64" Inner Diameter Stock Compression Spring

how to measure a compression springhow to measure a compression spring
compression force chartcompression force chart

Your 21/64" (twenty-one sixty-fourths of an inch) compression spring’s outer diameter affects how it fits in your assembly and the amount of compression force it can provide. A 21/64" OD compression spring is great for medium-duty applications that require consistent and reliable force.

The 21/64" (0.328125) OD compression springs we provide come in different configurations — wire diameters, coil counts, spring rates, and free lengths — to help you meet your performance and dimensional goals.

All of our 21/64" OD compression springs are made with top-grade 302 stainless steel (ASTM A 313) or music wire (ASTM A 228) to ensure optimal durability, strength, and corrosion resistance.

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