0.4mm~0.6mm Wire Diameter Compression Spring Pressure Small Spring 10Pcs/ Pack

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0.4mm~0.6mm Wire Diameter Compression Spring Pressure Small Spring 10Pcs/ Pack

Name: 0.4mm~0.6mm Wire Diameter Compression Spring Pressure Small Spring 10Pcs/ Pack
Brand: HomeDIYer
Price: 2.79 USD
Availability: InStock

HomeDIYer

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By HomeDIYer®

Wire Dia x Outer Dia x Length: 0.4*3*5mm

QTY: 10Pcs

Price:

$2.79 USD

Stock:

In stock (500 units), ready to be shipped

Quantity:

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Compression Spring — Consistent Return Force for Small Assemblies

When you are rebuilding a small mechanism, repairing a household device, or prototyping a custom fixture, finding the right small compression spring can be the difference between a smooth operation and a failed assembly. HomeDIYer offers this range of compression springs for hobbyists, repair technicians, and makers who need consistent return force in compact spaces.

Each spring is manufactured from spring steel with a wire diameter ranging from 0.4mm to 0.6mm (approximately 0.016–0.024 inch). Outer diameters span 3mm to 12mm (approximately 0.12–0.47 inch), and free lengths extend from 5mm up to 100mm (approximately 0.2–3.9 inches), giving you a broad selection for light-duty mechanical applications.

These small compression springs are well suited for DIY mechanical projects, model building, electronics enclosures, and precision hardware repairs where a compact pressure spring is required to maintain tension or return a component to its original position.

🔧 Compatible with small mechanical assemblies, DIY fixtures, model building, electronics housings, and light-duty machinery repairs.

✅ Key Features of These Compression Springs

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Precision Wire Range: Wire diameters from 0.4mm to 0.6mm provide controlled spring rates for light-duty applications.

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Multiple Size Options: Outer diameters from 3mm to 12mm and free lengths from 5mm to 100mm cover a wide range of assembly needs.

⚙️

Consistent Coil Pitch: Uniform winding delivers predictable compression behavior and repeatable force characteristics.

🔩

Spring Steel Construction: Made from spring steel to retain shape under cyclic loading and resist permanent deformation.

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Convenient Pack Sizes: Available in packs of 10 pieces or 5 pieces depending on the selected variant, so you can stock up for multiple projects.

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Ready to Install: Cut to length and wound for immediate use in small mechanical assemblies without additional processing.

📐 Technical Specifications — Compression Spring

Wire Diameter	0.4mm – 0.6mm (0.016 – 0.024 in)
Outer Diameter	3mm – 12mm (0.12 – 0.47 in)
Free Length	5mm – 100mm (0.2 – 3.9 in)
Material	Spring Steel
Finish	See variant options
Quantity per Pack	10Pcs or 5Pcs (See variant options)
Load Capacity	See variant options
Spring Rate	See variant options
Operating Temperature	See variant options

❓ Frequently Asked Questions

How do I choose the right compression spring size?

Match the wire diameter, outer diameter, and free length to your assembly constraints. Measure the bore diameter where the spring sits and select an outer diameter that fits with slight clearance. The free length should match or exceed the space available in the uncompressed state.

What material are these compression springs made from?

These springs are manufactured from spring steel, a material selected for its ability to undergo repeated compression and return to its original shape without significant permanent deformation.

Are these springs corrosion resistant?

The corrosion resistance depends on the specific finish of the variant you select. Some springs may have a natural oxide layer or light oil coating. For outdoor or humid environments, consider adding a protective coating or selecting a stainless steel alternative if available.

What is the load capacity of these springs?

Load capacity varies by wire diameter, outer diameter, and coil count. Thicker wire and smaller outer diameters generally produce higher spring rates. Refer to the specific variant dimensions or contact us to confirm the load rating for your selected size.

Can I use these springs for electronic devices?

Yes, the small wire diameters and compact outer diameters make these springs suitable for electronics housings, battery contacts, and small switch mechanisms where a light return force is needed.

How many pieces come in each pack?

Most variants are supplied in packs of 10 pieces. Selected longer-length variants are supplied in packs of 5 pieces. Check the QTY option for your selected Wire Dia x Outer Dia x Length combination to confirm the pack count.

What is the difference between wire diameter and outer diameter?

Wire diameter is the thickness of the individual wire used to form the coil. Outer diameter is the overall width of the spring measured across the outside of the coils. When fitting a spring into a bore, the outer diameter is the critical dimension to check.

🛒 Select your Wire Dia x Outer Dia x Length above, then add to cart.

0.4mm~0.6mm Wire Diameter Compression Spring Pressure Small Spring 10Pcs/ Pack

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Description

Compression Spring — Consistent Return Force for Small Assemblies

✅ Key Features of These Compression Springs

📐 Technical Specifications — Compression Spring

❓ Frequently Asked Questions

0.4mm~0.6mm Wire Diameter Compression Spring Pressure Small Spring 10Pcs/ Pack

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