Compression Springs Wire Diameter 0.9/1mm 10-50mm Length Pressure Small 10pcs

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Sale price$8.13 USD
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In stock (500 units), ready to be shipped

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Description

Compression Springs — Compact Coil Springs for DIY Repair and Mechanical Projects

When a worn-out spring causes a mechanism to fail — whether it's a valve, a latch, a tool, or a small machine — finding the right replacement quickly matters. These compression springs are designed for makers, hobbyists, and repair technicians who need reliable, precisely sized coil springs without ordering in bulk. Each pack contains 10 pieces, giving you spares on hand for future use.

These compression springs are made from carbon spring steel wire with a smooth coiled finish. Wire diameter options are 0.9 mm (~0.035 in) and 1 mm (~0.039 in). Outside diameter ranges from 5 mm to 20 mm (~0.20–0.79 in), and free length ranges from 10 mm to 50 mm (~0.39–1.97 in). Select your exact combination from the variant options above.

Typical use cases include compression spring replacement in mechanical assemblies, spring-loaded latches and push-button mechanisms, small appliance and tool repair, and prototype or workshop builds requiring compact coil springs with consistent load characteristics.

🔧 Compatibility: Suitable for general mechanical, DIY, and repair applications. Verify your required wire diameter, outside diameter, and free length before ordering. See variant options for all available size combinations.

✅ Key Features of These Compression Springs

🌀
Precise Wire Diameters

Available in 0.9 mm and 1 mm wire diameter for accurate load and deflection matching in your application.

📏
Wide Size Range

Outside diameter from 5–20 mm and free length from 10–50 mm — covering a broad range of compact spring applications.

⚙️
Carbon Spring Steel Construction

Wound from carbon spring steel wire for consistent elastic return and resistance to permanent deformation under repeated compression cycles.

📦
10-Piece Pack

Each order includes 10 identical springs, so you have replacements ready without reordering for minor repairs or prototyping iterations.

🔩
Closed Ends

Springs feature closed (ground or plain closed) ends for stable seating against flat surfaces, reducing lateral movement during compression.

🛠️
Versatile Application Fit

Suited for spring-loaded mechanisms, valve assemblies, push-button devices, jigs, fixtures, and general workshop repair tasks.

📐 Technical Specifications — Compression Springs

Spring Type Compression Spring
Wire Diameter 0.9 mm / 1 mm (see variant options)
Outside Diameter 5–20 mm (see variant options)
Free Length 10–50 mm (see variant options)
Material Carbon Spring Steel
Finish Bare / Natural Steel
End Type Closed Ends
Quantity per Pack 10 pcs
Load Direction Axial Compression
Coil Direction See variant options

❓ Frequently Asked Questions

How do I choose the right size compression spring?

Match three key dimensions to your application: wire diameter (0.9 mm or 1 mm), outside diameter (5–20 mm), and free length (10–50 mm). The inside diameter of the housing or shaft the spring fits over or into should be slightly larger than the spring's outside diameter. Select your combination from the variant dropdowns above.

What material are these springs made from?

These compression springs are wound from carbon spring steel wire. Carbon spring steel offers a good balance of tensile strength, elasticity, and resistance to set (permanent deformation) under repeated compression, making it suitable for general mechanical and DIY applications.

Are these springs corrosion resistant?

Carbon spring steel has limited corrosion resistance compared to stainless steel. For indoor, dry, or low-humidity environments these springs perform well. If your application involves moisture, chemicals, or outdoor exposure, consider applying a light coating of oil or grease, or contact us to confirm suitability for your specific conditions.

What is the load capacity of these springs?

Load capacity depends on wire diameter, outside diameter, free length, and the number of active coils — all of which vary by size variant. Exact spring rate (N/mm or lb/in) values are not listed for each variant. If you require a specific spring rate, please contact us to confirm before ordering.

Can I use these springs in high-temperature environments?

Carbon spring steel is generally suitable for temperatures up to approximately 120°C (250°F). Above this range, the material may experience reduced spring rate and increased risk of set. For elevated-temperature applications, contact us to confirm compatibility.

Are these springs compatible with standard spring housings and shafts?

Yes — the outside diameter range of 5–20 mm covers many standard housing bores and shaft diameters used in common mechanical assemblies. Verify that the outside diameter of the spring you select is slightly smaller than the bore it fits into, or slightly larger than the shaft it fits over, to ensure proper guidance and function.

How many springs are included per order?

Each order includes 10 identical compression springs of the size you select. This gives you spares for future repairs or prototyping without needing to reorder immediately.

🛒 Select your Wire Diameter, Outside Diameter, and Length above, then add to cart.

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