Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm
Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm
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Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mmCompression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm

Compression Spring Pressure Springs Wire Dia 3mm OD 19mm - 36mm Length 20-200mm

HomeDIYer
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By HomeDIYer®

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

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Description

Compression Springs with 3mm Wire Diameter — Reliable Force for Every DIY Application

When a machine skips a beat, a door latch loses its snap, or a jig stops returning to position, the culprit is almost always a worn or undersized spring. Makers, workshop owners, and automation hobbyists who need a dependable, dimensionally consistent compression spring in a 3mm wire diameter will find this range covers the most common OD and length combinations in a single listing.

Each spring is manufactured from carbon steel wire with a 3mm (0.118 in) wire diameter. Outer diameters span 19mm to 36mm (0.75 in – 1.42 in), and free lengths range from 20mm to 200mm (0.79 in – 7.87 in). Springs are available in packs of 2 or 5 depending on the selected size variant.

Typical use cases include DIY linear actuator return mechanisms, 3D-printer bed leveling assemblies, custom jig and fixture clamping systems, cabinet door dampers, and light-load industrial machinery maintenance. The wide size matrix makes it straightforward to find a compression spring for small automation projects, replacement repair work, or prototype builds.

⚙️ Compatibility: Suitable for spring-loaded mechanisms requiring a 3mm wire diameter. Verify inner bore clearance and housing depth against your selected OD and free length before ordering.

✅ Key Features of These Compression Springs

📐
Wide Size Matrix

OD 19–36mm paired with free lengths 20–200mm gives you over 180 size combinations in one listing — no need to source from multiple suppliers.

🔩
3mm Wire Diameter

Consistent 3mm (0.118 in) wire cross-section delivers predictable spring rate and load capacity across all size variants.

🛡️
Carbon Steel Construction

Carbon steel wire provides solid tensile strength and resistance to deformation under repeated compression cycles in dry indoor environments.

📦
Flexible Pack Quantities

Smaller OD variants ship in packs of 5; larger OD variants in packs of 2 — sized to match typical project and repair quantities.

🔄
Closed & Ground Ends

End coils are closed to provide a flat seating surface, ensuring stable load transfer and consistent alignment inside bores or on guide rods.

🏗️
DIY & Light Industrial Ready

Dimensioned for common DIY automation, fixture, and machinery maintenance tasks — from 3D-printer beds to cabinet hardware and custom jigs.

📐 Technical Specifications — Compression Springs

Wire Diameter 3mm (0.118 in)
Outer Diameter (OD) 19mm – 36mm (0.75 in – 1.42 in)
Free Length 20mm – 200mm (0.79 in – 7.87 in)
Material Carbon Steel
End Type Closed ends
Finish See variant options
Spring Rate See variant options
Pack Quantity 2 or 5 pcs (see variant options)
Application DIY automation, machinery, fixtures, repair

❓ Frequently Asked Questions

How do I choose the right OD and length for my application?

Measure the bore or housing your spring will sit in and subtract 0.5–1mm for clearance to get your target OD. For free length, measure the gap the spring needs to fill when uncompressed, then add 20–30% to allow for working travel. Use the variant selector above to match your measurements.

What load can a 3mm wire diameter compression spring handle?

Load capacity depends on OD, free length, and number of active coils — all of which vary by variant. As a conservative guide, 3mm wire carbon steel springs in this OD range typically handle light to medium loads (roughly 5–50 N depending on geometry). If you need exact spring rate data for your variant, please contact us to confirm.

Are these springs suitable for outdoor or wet environments?

These springs are made from carbon steel without a corrosion-resistant coating. They are best suited for dry indoor environments. For outdoor, humid, or chemically exposed applications, consider stainless steel springs or apply a protective coating after installation.

What is the difference between the pack of 2 and pack of 5 options?

Larger OD variants (typically OD 28mm and above) are sold in packs of 2, while smaller OD variants are sold in packs of 5. The pack size is shown in the "Menge (Stück)" variant option. Choose based on how many springs your project requires.

Can I use these springs on a guide rod or inside a bore?

Yes. The closed ends provide a flat seating surface for stable alignment. When using on a guide rod, the rod diameter should be smaller than the spring's inner diameter (OD minus 2× wire diameter). When seating inside a bore, the bore should be slightly larger than the spring OD to allow free movement.

How do I decide between different OD options for the same wire diameter?

A larger OD with the same wire diameter generally produces a softer spring (lower spring rate), while a smaller OD produces a stiffer spring. Choose a larger OD if you need gentler, longer-travel compression; choose a smaller OD for firmer, shorter-travel applications. Always verify the OD fits your housing or bore.

What is the inner diameter of these springs?

The inner diameter equals the outer diameter minus twice the wire diameter. For example, a 3mm wire / 20mm OD spring has an inner diameter of approximately 14mm (20 − 2×3). Use this formula to check guide rod compatibility for your selected variant.

🛒 Select your size (wire dia × OD × length) and quantity above, then add to cart.

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