Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm
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Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm

Compression Spring Pressure Springs Wire Dia 3mm 6mm OD 19-47mm Length 20-200mm

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Price:
$38.15 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Compression Springs for DIY Automation, Machinery Repair & Mechanical Projects

When a worn-out spring causes your mechanism to fail mid-project, finding the right replacement fast is critical. Whether you're a hobbyist building a custom jig, a maker maintaining automation equipment, or a small workshop technician sourcing reliable mechanical components, these compression springs deliver consistent return force across a wide range of applications.

These compression springs feature a wire diameter of 3mm or 6mm, an outer diameter (OD) ranging from 19mm to 47mm (approximately 0.75 in to 1.85 in), and a free length spanning 20mm to 200mm (approximately 0.79 in to 7.87 in). Constructed from carbon steel with a smooth coil finish, they are designed to maintain dimensional stability under repeated compression cycles.

Typical use cases include compression spring replacement in DIY automation rigs, spring-loaded clamp and fixture assemblies, mechanical return mechanisms in workshop tooling, and pressure-loaded components in small machinery and equipment maintenance projects.

⚙️ Compatibility: Suitable for standard spring seats and bores sized to match the selected OD. Verify your bore diameter and free-length clearance before ordering. See variant options for exact dimensions.

✅ Key Features of These Compression Springs

🔩
Wide Size Range

Wire dia 3mm & 6mm, OD 19–47mm, length 20–200mm — covers a broad spectrum of DIY and light industrial spring replacement needs.

🔄
Consistent Return Force

Uniform coil pitch and controlled wire diameter deliver repeatable spring force across compression cycles, reducing mechanism drift over time.

🛡️
Carbon Steel Construction

Made from carbon steel wire, offering solid tensile strength for general-purpose compression applications in dry or low-humidity environments.

📐
Precision Coil Geometry

Closed and ground ends (typical for this spring type) provide flat seating surfaces, ensuring stable load distribution in spring seats and housings.

📦
Multi-Pack Quantities

Available in packs of 1, 2, or 5 pieces depending on the size selected — stock up for ongoing maintenance or prototype testing.

🔧
Drop-In Replacement Ready

Standard coil spring geometry makes these a straightforward drop-in replacement for worn compression springs in fixtures, clamps, and light machinery.

📐 Technical Specifications — Compression Springs

Product Type Compression Spring
Wire Diameter 3mm / 6mm (see variant options)
Outer Diameter (OD) 19mm – 47mm (approx. 0.75 in – 1.85 in)
Free Length 20mm – 200mm (approx. 0.79 in – 7.87 in)
Material Carbon Steel
Finish See variant options
Spring Type Compression (closed coil)
End Type See variant options
Spring Rate See variant options
Quantity per Pack 1 / 2 / 5 pcs (see variant options)

❓ Frequently Asked Questions

How do I choose the right compression spring size?

Match the wire diameter, outer diameter (OD), and free length to your existing spring or housing bore. The OD should be slightly smaller than the bore it sits in, and the free length should exceed your required compressed length by your desired travel distance. Use the variant selector above to find your exact size combination.

What material are these springs made from?

These compression springs are made from carbon steel wire, which provides reliable tensile strength for general-purpose mechanical applications. They are best suited for dry or low-humidity environments. If your application involves moisture or corrosive exposure, consider a stainless steel alternative.

Are these springs corrosion resistant?

Carbon steel springs offer limited corrosion resistance compared to stainless steel. For indoor, dry-environment use they perform well. For outdoor or high-humidity applications, we recommend applying a light protective coating or selecting a stainless steel spring variant if available.

What is the difference between wire diameter and outer diameter?

Wire diameter refers to the thickness of the steel wire used to coil the spring (e.g., 3mm or 6mm). Outer diameter (OD) is the total width of the coiled spring from one outer edge to the other (e.g., 19mm to 47mm). Both dimensions are critical for ensuring the spring fits your bore and seat correctly.

Can I use these springs in automated machinery or DIY automation rigs?

Yes. These compression springs are well-suited for light-duty automation components, spring-return mechanisms, clamp assemblies, and fixture tooling. Verify the required spring rate and travel distance against your application before ordering, as spring rate varies by size.

How many pieces come in each order?

Pack quantity depends on the size variant selected. Smaller diameter springs (3mm wire) are typically available in packs of 2 or 5 pieces. Larger diameter springs (6mm wire) are typically sold individually (1 piece). The quantity is shown in the variant selector as "Quantity (Pcs)".

How do I measure my existing spring for replacement?

Measure the wire diameter with calipers, then measure the outer diameter across the widest point of the coil. Finally, measure the free (uncompressed) length end to end. Match these three measurements to the variant options above. If your spring is slightly compressed or worn, add 5–10% to the free length measurement to account for set.

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

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