Spring Steel Compression Spring Pressure Coil 1.4mm Wire OD 5-25mm 10-150mm DIY

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Sale price$11.14 USD
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In stock (500 units), ready to be shipped

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Description

Compression Spring 1.4mm Wire — Reliable Coil Force for Every DIY Build

When a project demands consistent return force — whether you are building a custom latch, a spring-loaded fixture, or a precision automation mechanism — a spring that loses tension or deforms under load becomes a costly problem. These compression springs are engineered for makers, small workshops, and automation hobbyists who need repeatable, measurable spring force without sourcing from industrial minimums.

Each spring is wound from 1.4mm diameter spring steel wire, with outer diameters (OD) ranging from 8mm to 22mm (approximately 0.31 in to 0.87 in) and free lengths from 10mm to 50mm (approximately 0.39 in to 1.97 in). The coil pitch and number of active coils vary by size — see variant options for exact specifications per size. Available in packs of 10 or 100 pieces to suit both prototyping and production runs.

Typical use cases include DIY spring-loaded door latches and cabinet hardware, custom jigs and fixtures in small machine shops, return-force mechanisms in 3D printer extruder assemblies, and compression elements in electronics enclosure buttons and switches.

⚙️ Compatibility: Suitable for standard spring seats and bores sized to match the selected OD. Verify bore clearance and seat depth against your chosen variant dimensions before ordering.

✅ Key Features of These Compression Springs

  • 🔩1.4mm Spring Steel Wire — Consistent wire diameter across all variants ensures predictable spring rate and reliable coil geometry for repeatable force output.
  • 📐Wide Size Range — OD from 8mm to 22mm and free lengths from 10mm to 50mm (plus a 12.5mm × 23mm specialty size) cover a broad range of DIY and light industrial applications.
  • 🔄Closed Ends — Ground or closed end coils provide flat seating surfaces for stable load transfer and reduced lateral deflection under compression.
  • 💪Spring Steel Construction — Carbon spring steel offers good elastic memory and resistance to permanent set under repeated cycling within rated deflection limits.
  • 📦Flexible Pack Quantities — Choose 10 PCS for prototyping or 100 PCS for production builds, with bulk pricing that scales with quantity.
  • 🛠️DIY and Automation Ready — Compact coil dimensions fit standard spring pockets in 3D-printed housings, CNC-machined fixtures, and off-the-shelf hardware components.

📐 Technical Specifications — Compression Spring

Wire Diameter 1.4 mm
Outer Diameter (OD) 8 mm – 22 mm (see variant options)
Free Length 10 mm – 50 mm (see variant options)
Material Carbon spring steel
End Type See variant options
Spring Rate See variant options
Surface Finish See variant options
Pack Quantity 10 PCS or 100 PCS
Coil Direction Right-hand (standard)

❓ Frequently Asked Questions

How do I choose the right OD and length for my application?

Measure the bore or spring pocket your spring must fit into — the OD of the spring should be slightly smaller than the bore diameter to allow free movement. The free length should be longer than your required compressed length plus the desired travel distance. Use the variant selector to match OD and free length to your design dimensions.

What is the spring rate of these compression springs?

Spring rate depends on wire diameter, OD, free length, and number of active coils — all of which vary by size variant. Because each size has a different coil count and pitch, the spring rate differs per variant. Contact us to confirm the spring rate for your specific size if this is critical to your design.

Are these springs corrosion resistant?

These springs are made from carbon spring steel, which provides good mechanical properties but has limited corrosion resistance in wet or high-humidity environments without additional surface treatment. For outdoor or moisture-exposed applications, consider applying a light coat of oil or using a corrosion-inhibiting spray after installation.

Can I use these springs in a 3D-printed housing or plastic enclosure?

Yes. The compact OD range (8–22mm) and short free lengths (10–50mm) are well suited to spring pockets in FDM and resin 3D-printed parts. Ensure the spring pocket wall thickness is sufficient to handle the lateral load, and that the bore diameter is at least 0.5–1mm larger than the spring OD for smooth seating.

What is the difference between the 10 PCS and 100 PCS options?

Both options contain identical springs of the same size and specification. The 10 PCS pack is suited for prototyping, testing, or small repair jobs. The 100 PCS pack offers a lower per-unit cost and is intended for production runs, stocking spare parts, or larger assembly projects.

How do I verify the spring will not permanently deform (take a set) under my load?

To avoid permanent set, keep the operating deflection within approximately 70–80% of the maximum deflection (free length minus solid height). Avoid compressing the spring to solid height during normal operation. If you need to confirm solid height or maximum safe deflection for a specific variant, contact us with your size selection.

Are these springs compatible with standard metric spring seats and hardware?

Yes. The OD dimensions follow standard metric sizing, making these springs compatible with metric spring seats, guide rods, and bores commonly used in European and Asian hardware standards. Always verify the exact OD of your chosen variant against your hardware drawings before assembly.

🛒 Select your size and quantity above, then add to cart.

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