Compression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure Springs
Compression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure Springs
Compression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure Springs
Compression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure Springs
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Compression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure SpringsCompression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure SpringsCompression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure SpringsCompression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure Springs

Compression Spring Steel 3.0mm Wire Dia 26mm - 27mm OD Small Pressure Springs

HomeDIYer
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By HomeDIYer®

Price:
$9.67 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Compression Spring Steel 3.0mm Wire — Reliable Small Pressure Springs for Mechanical Applications

When a project demands consistent return force in a compact space, finding the right compression spring can be frustrating. Hobbyists, engineers, and workshop professionals who work with mechanical assemblies, jigs, or custom fixtures need springs that hold their rated dimensions under repeated load cycles without distorting or corroding prematurely.

These compression springs feature a 3.0mm wire diameter and are available in outer diameters of 26mm (~1.02 in) and 27mm (~1.06 in), with free lengths ranging from 20mm (~0.79 in) to 100mm (~3.94 in). Each pack contains 5 springs, giving you spares for prototyping or replacement. The springs are manufactured from steel wire with a consistent helical pitch and squared, ground ends for stable seating.

Typical use cases include return mechanisms in pneumatic and hydraulic valve assemblies, tension-relief components in custom jig and fixture builds, and replacement springs for industrial equipment maintenance where a 26–27mm OD small pressure spring is specified. The range of lengths makes these suitable for compression spring replacement in machinery, spring-loaded latches, and DIY mechanical projects requiring a 3mm wire diameter coil spring.

🔧 Compatibility: Suitable for spring seats or bores designed for 26mm or 27mm outer diameter. Verify your bore clearance and free-length requirement before ordering. Select your size from the variant options above.

✅ Key Features of These Compression Spring Steel 3.0mm Wire Pressure Springs

  • 📏Precise Wire Diameter: Consistent 3.0mm wire cross-section ensures predictable spring rate and load capacity across all size variants.
  • ⚙️Two OD Options: Available in 26mm and 27mm outer diameters to fit different bore and seat specifications without modification.
  • 📐Wide Length Range: Free lengths from 20mm to 100mm (approx. 0.79–3.94 in) cover a broad range of travel and deflection requirements.
  • 🔩Squared & Ground Ends: Flat, squared ends provide stable seating on flat surfaces and reduce lateral buckling under compression load.
  • 🛡️Steel Construction: Steel wire offers good tensile strength and resistance to deformation under cyclic loading in typical workshop and mechanical environments.
  • 📦Pack of 5: Each order includes 5 springs of your chosen size — ideal for prototyping, repair stock, or multi-point spring assemblies.

📐 Technical Specifications — Compression Spring Steel Pressure Springs

Wire Diameter 3.0mm (approx. 0.118 in)
Outer Diameter (OD) 26mm or 27mm (see variant options)
Free Length 20mm – 100mm (see variant options)
End Type Squared and ground
Spring Type Compression (helical coil)
Material Steel wire
Surface Finish See variant options
Pack Quantity 5 pieces per pack
Spring Rate See variant options
Max. Operating Temperature Contact us to confirm

❓ Frequently Asked Questions

How do I choose between the 26mm and 27mm outer diameter?

Measure the bore or spring seat your spring will sit in. The OD of the spring should be slightly smaller than the bore diameter to allow free movement without binding. If your bore is approximately 27–28mm, the 26mm OD spring is typically the right fit; for a 28–29mm bore, the 27mm OD variant is more appropriate. Always verify with your specific assembly dimensions.

What free length should I select for my application?

The free length is the uncompressed length of the spring. Choose a free length that is longer than your required compressed length by at least the amount of travel (deflection) you need. For example, if you need 30mm of travel and your compressed length is 20mm, select a free length of at least 50mm. Refer to your assembly drawings for the exact specification.

Are these springs suitable for outdoor or corrosive environments?

These springs are made from steel wire, which provides good mechanical performance in dry indoor environments. For outdoor use or exposure to moisture, chemicals, or salt, consider applying a protective coating or contact us to confirm suitability. For inherently corrosion-resistant options, stainless steel spring variants may be more appropriate.

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

Spring rate depends on the wire diameter, OD, and free length of each specific variant. Because this product covers multiple size combinations, the spring rate varies by variant. Please contact us with your specific size selection if you require the rated spring rate (N/mm or lbf/in) for engineering calculations.

Can I use these springs in high-temperature applications?

Standard steel compression springs are generally suitable for temperatures up to approximately 120–150°C (248–302°F) before significant loss of spring properties occurs. For applications above this range, please contact us to confirm suitability or to discuss alternative materials.

How do I verify these springs will fit my existing assembly?

You will need three key measurements from your existing assembly: the bore or seat diameter (to match OD), the compressed length (to ensure the spring can compress to the required height), and the required load or travel. Cross-reference these with the variant dimensions listed above. If you are unsure, contact us with your measurements and we can advise on the best match.

Why buy a pack of 5 instead of a single spring?

Buying in a pack of 5 gives you spares for prototyping iterations, replacements if one spring is damaged during installation, and stock for multi-point assemblies that require identical springs at several locations. It also reduces the need for repeat orders when a spring needs replacing during maintenance.

🛒 Select your size (Wire Dia × OD × Length) above, then add to cart.

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