Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs
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Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return SpringsCompression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs

Compression Spring 1.5mm Wire Diameter & Length 5mm - 100mm Coil Return Springs

HomeDIYer
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By HomeDIYer®

Price:
$18.66 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Compression Spring 1.5mm Wire Diameter — Reliable Coil Return Springs for Precision Applications

When a project demands consistent return force and dimensional accuracy, finding the right compression spring can be frustrating. Undersized springs collapse under load; oversized ones won't fit the bore. These 1.5mm wire diameter compression springs are engineered for makers, repair technicians, robotics builders, and mechanical engineers who need a dependable coil return spring in a compact form factor.

Each spring is wound from 1.5mm wire with outer diameters ranging from 9mm to 30mm (approximately 0.35 in – 1.18 in) and free lengths spanning 10mm to 100mm (approximately 0.39 in – 3.94 in). The helical coil body provides uniform pitch and consistent spring rate across the full compression range. Finish is a natural bright steel; surface treatment varies by variant — see variant options for confirmed coating details.

Typical use cases include: actuator return mechanisms in 3D printer extruder assemblies, valve spring replacement in pneumatic and hydraulic systems, suspension damping in small-scale robotics and RC vehicles, and jig or fixture clamping applications requiring repeatable preload force.

⚙️ Compatibility: Suitable for spring-loaded assemblies with bore diameters matching the selected outer diameter. Verify free length and spring rate against your load requirements before ordering. Multiple outer diameter and length combinations available — select your specification above.

✅ Key Features of These Compression Springs

  • 📐1.5mm Wire Diameter — Consistent wire gauge across all variants ensures predictable spring rate and fatigue resistance in cyclic loading applications.
  • 🔄Wide Size Range — Outer diameters from 9mm to 30mm and free lengths from 10mm to 100mm cover a broad spectrum of mechanical design requirements in a single product family.
  • 🔩Helical Coil Construction — Uniform pitch winding delivers linear force-deflection characteristics, making load calculations straightforward for engineers and hobbyists alike.
  • ⚡Coil Return Function — Designed to store energy under compression and release it reliably on unloading — ideal for return, reset, and preload functions in mechanical assemblies.
  • 🛠️Versatile Application Fit — Compatible with actuators, valves, jigs, fixtures, robotics platforms, and general-purpose spring-loaded mechanisms across DIY and light industrial contexts.
  • 📦Multi-Quantity Packs — Available in packs of 1, 2, or 10 pieces depending on the selected length variant, so you can stock exactly what your project needs without over-ordering.

📐 Technical Specifications — Compression Spring

Wire Diameter 1.5 mm (0.059 in)
Outer Diameter Range 9 mm – 30 mm (0.35 in – 1.18 in)
Free Length Range 10 mm – 100 mm (0.39 in – 3.94 in)
Spring Type Compression (coil return)
Coil Winding Helical, uniform pitch
Material See variant options
Surface Finish See variant options
Spring Rate See variant options
End Type See variant options
Pack Quantity 1 / 2 / 10 pcs (varies by length variant)

❓ Frequently Asked Questions

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

The outer diameter (OD) should be slightly smaller than the bore or housing it sits in, and larger than the guide rod (if used). For a bore fit, select an OD 0.5–1mm smaller than the bore ID. For a rod fit, select an OD large enough that the inner diameter (ID = OD minus 2× wire diameter) clears the rod with a small gap. Use the variant selector above to choose from 9mm to 30mm OD options.

What free length should I select for my design?

Free length is the uncompressed length of the spring. Choose a free length longer than your required working length by at least the amount of compression travel needed. For example, if you need 20mm of travel and a 30mm working length, select a free length of at least 50mm. Available lengths range from 10mm to 100mm in this product family.

Are these springs strong enough for my load requirement?

Spring strength depends on wire diameter, outer diameter, free length, and number of active coils. With a 1.5mm wire diameter, these springs are suited for light-to-medium duty applications — typically in the range of a few Newtons to tens of Newtons depending on the specific geometry. For precise load calculations, use the spring rate formula or contact us with your load and deflection requirements so we can confirm suitability.

What material are these compression springs made from?

Material details vary by variant. Common materials for springs in this size range include carbon spring steel and stainless steel. Please refer to the variant options or contact us to confirm the exact material specification for your selected size before ordering if material certification is required for your application.

Are these springs corrosion resistant?

Corrosion resistance depends on the material and surface finish of the specific variant. Carbon steel springs offer moderate corrosion resistance suitable for indoor or dry environments. For humid, wet, or chemically exposed environments, a stainless steel variant or a coated spring is recommended. See variant options for finish details, or contact us to confirm corrosion resistance for your environment.

Can I use these springs in a 3D printer, robotics project, or RC vehicle?

Yes — these compression springs are well suited for maker and hobbyist applications including 3D printer extruder return mechanisms, servo-actuated linkages, RC suspension systems, and small robot joints. The 1.5mm wire diameter provides a good balance of stiffness and compactness for these use cases. Select the outer diameter and free length that match your assembly's bore and travel requirements.

How many pieces come in each pack?

Pack quantity varies by the length variant selected. Shorter lengths (10mm–50mm) typically come in packs of 10 pieces. Longer lengths (60mm–100mm) come in packs of 1 or 2 pieces depending on the outer diameter group. The exact quantity is shown in the variant name (e.g., "30mm & 10pcs" or "60mm & 2pcs"). Select your preferred combination above.

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

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