Compression Spring Various Size 8-25mm Diameter & 10-100mm Length - 1.5mm Wire

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Compression Spring Various Size 8-25mm Diameter & 10-100mm Length - 1.5mm Wire

HomeDIYer

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By HomeDIYer®

Wire diameter x Outer diameter x Length (mm): 1.5mm x 8mm x 10mm

Amount (pieces): 10 pieces

Price:

$11.37 USD

Stock:

In stock (500 units), ready to be shipped

Quantity:

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Compression Springs for Precise Push-Back and Reliable Return Force

When a mechanism sags, rattles, or stops springing back, a worn or mismatched compression spring is often the culprit. These compression springs are built for makers, repair technicians, and small-batch manufacturers who need a dependable return force they can specify exactly rather than guess at.

Each spring is coiled from 1.5mm (0.06 in) wire, with outer diameters spanning 8-25mm (0.31-0.98 in) and free lengths from 10-100mm (0.39-3.94 in). Springs are typically wound from spring-grade steel for consistent elasticity and fatigue life; exact material is shown in the variant options. They ship in packs of 10 so you have spares on hand.

Use them for compression spring replacement in latches and enclosures, DIY robotics and automation return mechanisms, 3D-printer and CNC tooling, valve and button assemblies, and general workshop repairs where a specific push-back force is required.

✓ Match the outer diameter to your bore and the free length to your travel. Choose your exact size from the variant options above.

✅ Key Features of These Compression Springs

🔩 Consistent return force

Uniform 1.5mm wire coiling delivers repeatable push-back for latches, buttons and return mechanisms.

📏 Wide size range

Outer diameters from 8-25mm and free lengths from 10-100mm cover a broad range of repair and build needs.

⚙️ Spring-grade steel

Wound from spring-grade steel for good elasticity and fatigue resistance under repeated cycling.

📦 Pack of 10

Each order includes 10 springs, giving you spares for prototyping and future repairs.

🧰 Maker and repair ready

Suited to robotics, automation, tooling, and everyday workshop fixes.

🔍 Specify exactly

Pick wire, outer diameter and length by the millimetre so the spring fits the first time.

📐 Technical Specifications — Compression Spring

Spring type	Compression spring
Wire diameter	1.5mm (0.06 in)
Outer diameter	8-25mm (0.31-0.98 in) — see variant options
Free length	10-100mm (0.39-3.94 in) — see variant options
Material	Spring-grade steel — see variant options
Finish	See variant options
Quantity per pack	10 pieces
End type	Contact us to confirm

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

❓ Frequently Asked Questions

How do I choose the right size compression spring?

Match the outer diameter to the bore or pocket the spring sits in, and choose a free length slightly longer than your compressed travel so the spring still has return force. All sizes use 1.5mm wire; pick your outer diameter (8-25mm) and free length (10-100mm) from the variant options.

How much force do these springs provide?

Return force depends on the wire diameter, coil diameter, free length and number of active coils. With a fixed 1.5mm wire, shorter and smaller-diameter springs generally feel stiffer, while longer or larger-diameter springs compress more easily. For a specific spring rate, contact us to confirm the values for your chosen size.

What material are the springs made from?

They are typically wound from spring-grade steel, chosen for its elasticity and fatigue resistance under repeated compression. The exact material for each size is shown in the variant options.

Are these springs corrosion resistant?

Corrosion resistance depends on the material and finish, which are listed in the variant options. For damp or outdoor use, choose a corrosion-resistant finish where available, or contact us to confirm the best option for your environment.

Will these fit my existing mechanism?

Measure the outer diameter of the pocket and the free length of your original spring, then select the matching size above. If your old spring is worn, compare against an unused reference where possible for the most accurate fit.

How many springs come in a pack?

Each order includes 10 springs, so you have spares for prototyping, adjustments and future repairs.

Can I use these in robotics or automation projects?

Yes. These compression springs are well suited to return mechanisms in DIY robotics, automation, tooling and button or valve assemblies where a defined push-back force is needed.