Compression Spring 6mm Wire Dia & 28-47mm Dia & 105mm-190mm Len Pressure Small

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Compression Spring 6mm Wire Dia & 28-47mm Dia & 105mm-190mm Len Pressure Small

Name: Compression Spring 6mm Wire Dia & 28-47mm Dia & 105mm-190mm Len Pressure Small
Brand: HomeDIYer
Price: 8.83 USD
Availability: InStock

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By HomeDIYer®

Wire Diameter: 6mm

Outer Diameter: 28mm

Length（mm） & Amount: 155mm & 1pcs

Price:

$8.83 USD

Stock:

In stock (500 units), ready to be shipped

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Compression Springs with 6mm Wire Diameter — Reliable Elastic Force for DIY Automation

When your project demands consistent return force and precise travel control, undersized or mismatched springs cause binding, premature fatigue, and failed assemblies. These compression springs are engineered for makers, workshop builders, and automation hobbyists who need dependable elastic performance across a range of diameters and lengths.

Each spring is wound from 6mm wire diameter steel, with outer diameters spanning 28mm to 47mm (approximately 1.10″ to 1.85″) and free lengths ranging from 105mm to 190mm (approximately 4.13″ to 7.48″). The coil geometry provides a balanced spring rate suitable for moderate-load applications. Finish is a standard bright or lightly oiled steel surface typical of precision-wound compression springs.

Typical use cases include DIY press jigs and clamping fixtures requiring controlled return force, linear actuator return mechanisms in small automation rigs, and custom tool holders or spring-loaded positioning guides in maker workshops.

⚙️ Compatible with standard spring seats and pockets sized for 6mm wire diameter. Verify your bore/pocket inner diameter matches the selected outer diameter before ordering.

✅ Key Features of These Compression Springs

🔩 6mm Wire Diameter

Consistent 6mm wire gauge across all variants ensures uniform spring rate characteristics and predictable load behavior in your application.

📐 Wide OD Range: 28–47mm

Six outer diameter options (28, 30, 32, 34, 45, 47mm) let you match the spring to your bore or pocket without custom fabrication.

📏 Multiple Free Lengths: 105–190mm

Choose from 105mm, 155mm, 160mm, or 190mm free lengths to dial in the travel and preload your assembly requires.

🔄 Closed & Ground Ends

Squared and ground end coils provide flat, stable seating surfaces that reduce lateral deflection and extend service life in guided applications.

🛡️ Corrosion-Resistant Finish

Lightly oiled steel surface resists surface oxidation during storage and typical indoor workshop use, maintaining dimensional stability over time.

📦 Multi-Pack Options: 1, 3, or 5 pcs

Order single units for prototyping or multi-packs for production runs and spares — all variants available in 1pcs, 3pcs, and 5pcs quantities.

📐 Technical Specifications — Compression Springs

Wire Diameter	6mm (0.236″)
Outer Diameter (OD)	28mm / 30mm / 32mm / 34mm / 45mm / 47mm
Inner Diameter (ID)	See variant options
Free Length	105mm / 155mm / 160mm / 190mm
Material	Steel (spring steel alloy)
Finish	Bright / lightly oiled
End Type	Closed and ground
Spring Rate	See variant options
Load Capacity	See variant options
Coil Direction	Right-hand wound
Pack Quantity	1 pcs / 3 pcs / 5 pcs
Application	DIY automation, jigs, fixtures, actuator returns

❓ Frequently Asked Questions

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

Measure the inner diameter of your spring pocket or guide rod outer diameter. For a pocket-guided spring, the spring OD should be 1–2mm smaller than the pocket ID to allow free movement without binding. For a rod-guided spring, the spring ID (OD minus 2× wire diameter) should be 1–2mm larger than the rod OD. Use the variant selector to match your measured dimensions.

What free length should I select for my assembly?

Free length determines how much travel (compression stroke) the spring can provide before reaching solid height. Measure the available cavity depth in your assembly and subtract your desired preload compression. Choose the free length closest to that result. Available options are 105mm, 155mm, 160mm, and 190mm — select the combination that matches your OD requirement.

Are these springs strong enough for my clamping or pressing application?

The 6mm wire diameter provides a moderate-to-heavy spring rate suitable for clamping jigs, return mechanisms, and positioning guides in DIY and light industrial applications. For precise load requirements, contact us to confirm the spring rate and maximum load for your selected variant before ordering.

Will these springs rust if used in a workshop environment?

These springs feature a lightly oiled steel finish that resists surface oxidation under typical indoor workshop conditions. For humid or outdoor environments, we recommend applying a thin coat of machine oil periodically or considering stainless steel alternatives if long-term corrosion resistance is critical.

Are these compatible with standard spring seats and retainers?

Yes. The closed and ground ends provide flat seating surfaces compatible with standard spring seats, pockets, and retainer plates. Verify that your seat recess diameter accommodates the selected OD and that the seat bore is sized for the wire diameter. No special tooling is required for installation.

Should I order 1pcs, 3pcs, or 5pcs?

Order 1pcs if you are prototyping or need a single replacement. Choose 3pcs or 5pcs for production assemblies, multi-axis rigs, or to keep spares on hand — multi-pack options offer a lower per-unit cost and reduce reorder frequency for ongoing projects.

Can I use these springs in a dynamic cycling application?

These springs are suitable for moderate-frequency cycling in DIY automation and workshop tooling. For high-cycle fatigue applications (millions of cycles), contact us to confirm the material specification and whether a shot-peened or pre-set variant is recommended for your duty cycle.

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

Compression Spring 6mm Wire Dia & 28-47mm Dia & 105mm-190mm Len Pressure Small

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Description

Compression Springs with 6mm Wire Diameter — Reliable Elastic Force for DIY Automation

✅ Key Features of These Compression Springs

📐 Technical Specifications — Compression Springs

❓ Frequently Asked Questions

Compression Spring 6mm Wire Dia & 28-47mm Dia & 105mm-190mm Len Pressure Small

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