0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small
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0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small

0.9mm Wire Compression Spring 5-14mm Diameter & 10-60mm Length Pressure Small

HomeDIYer
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By HomeDIYer®

Price:
$11.22 USD
Stock:
In stock (500 units), ready to be shipped

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Description

0.9mm Wire Compression Springs — Reliable Pressure Control for DIY & Mechanical Projects

When a project demands consistent return force in a tight space, finding the right compression spring can be frustrating. Hobbyists, makers, electronics repair technicians, and small workshop operators all face the same challenge: sourcing compact, dimensionally accurate springs without ordering in bulk. These 0.9mm wire compression springs are stocked in a wide range of outer diameters and lengths so you can match the exact spec your application requires.

Each spring is formed from 0.9mm wire diameter steel, with outer diameters ranging from 5mm to 14mm (approximately 0.20 in to 0.55 in) and free lengths from 10mm to 60mm (approximately 0.39 in to 2.36 in). Springs are sold in convenient 10-piece packs, making it easy to keep spares on hand or prototype multiple configurations side by side.

Typical use cases include button and switch return mechanisms in consumer electronics, tension-control assemblies in 3D printer extruders and CNC tooling, valve and plunger return springs in pneumatic and hydraulic DIY builds, and small-load suspension or damping elements in robotics and automation projects.

⚙️ Compatibility: Suitable for spring seats or bores sized to accept 5–14mm outer diameter. Verify free length and spring rate against your load requirements before ordering. Select your outer diameter and length combination from the variant options above.

✅ Key Features of These 0.9mm Wire Compression Springs

📐 Wide Size Range

Outer diameters from 5mm to 14mm and free lengths from 10mm to 60mm cover a broad spectrum of compact spring applications in a single product listing.

🔩 0.9mm Wire Diameter

The consistent 0.9mm wire cross-section delivers predictable spring rates and reliable coil geometry across all size variants.

📦 10-Piece Packs

Each order ships as a 10-piece set, giving you spares for prototyping, replacements, or multi-position assemblies without over-ordering.

🔄 Consistent Return Force

Uniform coil pitch and wire diameter ensure repeatable compression and extension cycles, reducing variability in button, valve, and plunger mechanisms.

🛠️ Versatile Application Fit

Compatible with electronics switch assemblies, 3D printer extruder tensioners, pneumatic plunger returns, and light-load robotics damping — wherever a small-diameter compression spring is needed.

🎯 Easy Variant Selection

Choose your outer diameter (5–14mm) and length (10–60mm) directly from the variant selector to get the exact spring geometry your project requires.

📐 Technical Specifications — Compression Springs

Wire Diameter 0.9mm
Outer Diameter (OD) 5mm / 6mm / 7mm / 8mm / 9mm / 10mm / 12mm / 14mm
Free Length 10mm / 15mm / 20mm / 25mm / 30mm / 35mm / 40mm / 45mm / 50mm / 60mm
Coil Direction Right-hand (standard)
End Type Closed ends (typical for this wire gauge)
Material Steel wire (carbon spring steel, typically)
Finish / Surface See variant options
Spring Rate See variant options
Pack Quantity 10 pieces per pack
Weight (per pack) See variant options

❓ Frequently Asked Questions

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

Measure the bore or spring seat your spring will sit in. The outer diameter of the spring should be slightly smaller than the bore to allow free movement without binding. For a guide rod application, the inner diameter of the spring (OD minus twice the wire diameter) should clear the rod with a small gap. Use the variant selector to pick the OD closest to your target dimension.

How do I select the correct free length?

Free length is the uncompressed length of the spring. Choose a free length that, when compressed to your working height, still provides the return force your mechanism needs. As a conservative starting point, avoid compressing the spring beyond 70–80% of its free length to prevent coil bind and premature fatigue.

Are these springs corrosion-resistant?

These springs are made from carbon spring steel wire. Carbon steel offers good mechanical properties for dry indoor environments. For applications exposed to moisture, mild chemicals, or outdoor conditions, consider adding a protective coating or contact us to confirm the surface finish of your chosen variant before ordering.

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

Spring rate varies by outer diameter and free length combination. Shorter springs with smaller diameters tend to be stiffer, while longer springs with larger diameters are more compliant. Exact spring rate values depend on the specific variant; contact us to confirm if your application has a precise load requirement.

Can I use these springs in a 3D printer extruder or CNC machine?

Yes. The 0.9mm wire diameter and compact OD range (5–14mm) make these springs well-suited for extruder tensioner arms, bed-leveling assemblies, and light-duty CNC tooling return mechanisms. Select the OD and length that match your existing spring seat dimensions for a direct fit.

Are the springs sold individually or in packs?

Each variant is sold as a 10-piece pack. This gives you extras for prototyping, replacements, or multi-position assemblies. The pack quantity is fixed at 10 pieces regardless of the size combination selected.

What is the inner diameter (ID) of these springs?

The inner diameter equals the outer diameter minus twice the wire diameter. For example, a 5mm OD spring with 0.9mm wire has an approximate ID of 3.2mm (5mm − 2 × 0.9mm). Use this formula to verify guide rod clearance for your specific variant.

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

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