10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel
10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel
10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel
10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel
10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel
10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel
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10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel

10pcs Wire Dia.0.6mm 0.7mm OD 4mm-10mm Small Springs Compression Spring Steel

HomeDIYer
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By HomeDIYer®

Price:
$7.59 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Small Compression Springs — Precision Wire Dia. 0.6–0.7mm for Tight-Space DIY Applications

When your project demands a spring that fits where nothing else will, finding the right small compression spring can be a real challenge. Hobbyists, electronics tinkerers, and automation builders often struggle to source miniature springs in exact wire diameters and outer diameters without ordering in bulk. These small compression springs are designed for makers and engineers who need reliable, consistent spring force in compact assemblies.

Each spring is formed from steel wire in either 0.6mm or 0.7mm wire diameter, with outer diameters (OD) ranging from 4mm to 12mm (approximately 0.16" to 0.47"). Free lengths span from 5mm to 100mm (approximately 0.20" to 3.94"), giving you a wide selection matrix to match your exact application. Springs are sold in packs of 5 or 10 pieces depending on the length selected.

Typical use cases include small compression springs for electronics enclosures and battery contacts, miniature return springs in 3D printer extruder mechanisms, and precision compression springs for DIY automation jigs and fixture clamps. The consistent coil pitch and uniform wire diameter make these springs well-suited for repetitive-motion applications where spring fatigue resistance matters.

⚙️ Compatibility: Suitable for use in spring-loaded mechanisms, battery contacts, pen mechanisms, electronic switches, 3D printer components, and general DIY automation assemblies requiring OD 4–12mm compression springs.

✅ Key Features of These Small Compression Springs

  • 🔩Two Wire Diameter Options — Choose 0.6mm or 0.7mm wire diameter to match your required spring rate and load capacity for the application.
  • 📐Wide OD Range 4–12mm — Nine outer diameter options from 4mm to 12mm (0.16"–0.47") let you fit springs into tight bores or around small shafts without modification.
  • 📏Multiple Free Lengths — Lengths from 5mm to 100mm (0.20"–3.94") available, with shorter lengths sold in packs of 10 and longer lengths in packs of 5 for practical quantity management.
  • 🛡️Steel Construction — Made from steel wire with consistent coil geometry, providing repeatable spring force and resistance to deformation under cyclic loading in typical indoor applications.
  • 📦Multi-Pack Convenience — Sold in 5-piece or 10-piece packs so you have spares on hand for prototyping, repair, or batch production without over-ordering.
  • 🔄Consistent Coil Pitch — Uniform pitch across the coil length ensures even load distribution and predictable deflection behavior, reducing the risk of buckling in guided spring applications.

📐 Technical Specifications — Small Compression Springs

Wire Diameter 0.6mm / 0.7mm (see variant options)
Outer Diameter (OD) 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm
Free Length Range 5mm – 100mm (0.20" – 3.94")
Material Steel wire
Spring Type Compression (open coil)
Coil Direction See variant options
Surface Finish See variant options
Spring Rate See variant options
Pack Quantity 5 pcs (lengths 60–100mm) / 10 pcs (lengths 5–50mm)
End Type See variant options

❓ Frequently Asked Questions

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

Measure the bore or housing your spring will sit inside, then select an OD that is slightly smaller than the bore to allow free movement. If the spring will be guided over a shaft, choose an OD that is slightly larger than the shaft diameter. This product offers OD options from 4mm to 12mm to cover a wide range of small-bore applications.

What is the difference between 0.6mm and 0.7mm wire diameter?

A thicker wire diameter (0.7mm) produces a stiffer spring with a higher spring rate, meaning it requires more force to compress by the same distance compared to a 0.6mm wire spring of the same OD and length. Choose 0.6mm for lighter-load applications such as pen mechanisms or small switches, and 0.7mm where slightly more resistance is needed, such as in battery contacts or light-duty return mechanisms.

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

These springs are made from steel wire and are intended primarily for indoor or dry-environment use. For applications exposed to moisture, humidity, or corrosive media, consider applying a light coating of machine oil or using a stainless steel spring alternative. Contact us to confirm suitability for your specific environment before ordering.

Can I use these springs in 3D printers or CNC machines?

Yes. Small compression springs in the 4–10mm OD range are commonly used in 3D printer extruder assemblies, bed leveling mechanisms, and CNC fixture clamps. Select the OD and free length that matches your existing spring seat dimensions. The consistent coil pitch helps maintain predictable deflection under repeated cycling.

How do I determine the correct free length to order?

Measure the distance between the two spring seats in your assembly when the mechanism is in its fully open (unloaded) position. This measurement is your required free length. Add a small margin (typically 10–20%) if you need the spring to maintain a preload force even at maximum extension. Free lengths from 5mm to 100mm are available in this listing.

What pack sizes are included and how are they determined?

Springs with free lengths from 5mm to 50mm are sold in packs of 10 pieces. Springs with free lengths from 60mm to 100mm are sold in packs of 5 pieces. This reflects the practical balance between having spares for prototyping and keeping the pack weight and cost manageable for longer springs.

Are these suitable for use in battery compartments or electrical contacts?

Steel compression springs are widely used in battery contact applications where a consistent contact force is needed. The 4mm and 5mm OD options are particularly suited to AA/AAA battery compartments and small button-cell holders. Ensure the spring length and OD match your contact geometry before ordering.

🛒 Select your Wire Diameter, Outer Diameter, and Length above, then add to cart.

 

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