Stainless Steel Compression Spring, 1.6mm Wire, 10mm-50mm Length, Spiral Spring

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Stainless Steel Compression Spring, 1.6mm Wire, 10mm-50mm Length, Spiral Spring

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Wire Diameter: 1.6 mm

Outer Diameter: 10mm

Length & Amount (piece): 10mm & 10

Price:

$22.77 USD

Stock:

In stock (500 units), ready to be shipped

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Stainless Steel Compression Spring — Reliable Elastic Force for Precision Applications

When your mechanism demands consistent return force and your environment punishes inferior materials, a poorly chosen spring becomes the weakest link in the assembly. Engineers, robotics builders, and hands-on DIYers who need a dependable stainless steel compression spring with a 1.6mm wire diameter will find this spiral spring engineered to deliver repeatable performance across hundreds of thousands of cycles.

Each spring is formed from stainless steel wire with a nominal wire diameter of 1.6 mm (0.063 in). Outer diameter options span 10 mm to 25 mm (approx. 0.39 in – 0.98 in), and free lengths range from 10 mm to 50 mm (approx. 0.39 in – 1.97 in). Springs are available in packs of 10 or 50 pieces to suit both prototyping and small-batch production needs.

Typical use cases include compression spring for machinery vibration damping, return-force elements in robotics and automation fixtures, valve and actuator assemblies requiring consistent spring rate, and DIY mechanical projects such as jigs, clamps, and custom tooling.

⚙️ Compatibility: Suitable for standard spring seats and bores sized to match the selected outer diameter. Verify free length, outer diameter, and wire diameter against your housing tolerances before ordering.

✅ Key Features of These Stainless Steel Compression Springs

🔩 1.6 mm Wire Diameter

Consistent wire gauge across all size variants ensures predictable spring rate and load characteristics for engineering calculations.

📐 Wide Size Range

Outer diameters from 10 mm to 25 mm and free lengths from 10 mm to 50 mm cover a broad spectrum of mechanical design requirements.

🛡️ Stainless Steel Construction

Corrosion-resistant stainless steel wire provides durability in humid, wet, or mildly corrosive environments compared to carbon steel alternatives.

🔄 Closed & Ground Ends

Closed ends provide a flat seating surface for stable load transfer and accurate alignment within spring pockets and guides.

📦 Pack of 10 or 50

Choose a 10-piece pack for prototyping or a 50-piece pack for production runs — both options ship as a single unit for convenience.

⚡ Consistent Elastic Return

Uniform coil pitch and wire diameter deliver repeatable deflection behavior, critical for automation, robotics, and precision tooling applications.

📐 Technical Specifications — Compression Spring

Material	Stainless Steel
Wire Diameter	1.6 mm (0.063 in)
Outer Diameter	10 mm – 25 mm (0.39 in – 0.98 in) — See variant options
Free Length	10 mm – 50 mm (0.39 in – 1.97 in) — See variant options
Spring Type	Compression (Spiral Coil)
End Type	Closed ends
Finish	Natural stainless (uncoated)
Spring Rate	See variant options
Pack Quantity	10 pieces or 50 pieces — See variant options
Application	Machinery, robotics, automation, DIY mechanical assemblies

❓ Frequently Asked Questions

How do I choose the right outer diameter and free length for my application?

Measure the bore or spring pocket in your assembly to determine the maximum allowable outer diameter, then leave 0.5–1 mm clearance. For free length, select a spring that is longer than your required working length so the spring remains under compression throughout its travel range. Use the variant selector above to match your dimensional requirements.

What is the spring rate (stiffness) of these compression springs?

Spring rate varies by outer diameter and free length combination. As a general guide, shorter free lengths and smaller outer diameters with the same wire diameter tend to produce higher spring rates. For precise spring rate values, please contact us with your selected variant dimensions and we will provide the calculated specification.

Are these springs corrosion-resistant for outdoor or wet environments?

Yes. Stainless steel offers significantly better corrosion resistance than standard carbon steel springs. These springs are suitable for humid, wet, and mildly corrosive environments. For highly aggressive chemical environments (e.g., strong acids or chloride-rich saltwater immersion), additional material verification is recommended.

What equipment or machinery are these springs compatible with?

These compression springs are general-purpose components compatible with any application that uses a standard coil compression spring with matching outer diameter, free length, and wire diameter. Common uses include robotics actuators, valve assemblies, jig and fixture return mechanisms, electronic enclosure latches, and custom DIY mechanical projects.

Should I order the 10-piece or 50-piece pack?

The 10-piece pack is ideal for prototyping, testing, or low-volume repairs where you need a small quantity to validate fit and function. The 50-piece pack offers a lower per-unit cost and is suited for small-batch production, stocking spare parts, or projects requiring multiple springs per assembly.

What is the difference between closed-end and open-end compression springs?

Closed-end springs have the last coil wound tightly against the adjacent coil, creating a flat seating surface. This allows the spring to sit squarely on a flat surface or within a spring pocket, improving load alignment and reducing buckling risk. Open-end springs lack this flat seat and are typically used in less precision-critical applications.

Can these springs be used in high-temperature environments?

Standard austenitic stainless steel (typically 302/304 grade) retains adequate mechanical properties up to approximately 250–300°C (480–570°F) for spring applications. For sustained high-temperature use above this range, please contact us to confirm the specific alloy grade before ordering.

🛒 Select your outer diameter and free length above, then add to cart.