Compression Spring Small Various Sizes Up To 20mm Diameter Pressure Compressed
Compression Spring Small Various Sizes Up To 20mm Diameter Pressure Compressed
Compression Spring Small Various Sizes Up To 20mm Diameter Pressure Compressed
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Compression Spring Small Various Sizes Up To 20mm Diameter Pressure CompressedCompression Spring Small Various Sizes Up To 20mm Diameter Pressure CompressedCompression Spring Small Various Sizes Up To 20mm Diameter Pressure Compressed

Compression Spring Small Various Sizes Up To 20mm Diameter Pressure Compressed

HomeDIYer
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By HomeDIYer®

Price:
$4.01 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Compression Spring Small 1.2mm Wire — Precise Elastic Force for Tight Spaces

When your project demands reliable spring force in a compact footprint, undersized or mismatched springs cause misalignment, premature fatigue, and failed assemblies. Engineers, makers, and technicians working on precision mechanisms, robotics, and DIY hardware need small compression springs that hold consistent load across repeated cycles without deforming. These compression springs with 1.2mm wire diameter are stocked in a wide matrix of outer diameters and free lengths so you can match the exact specification your design requires.

Each spring features a 1.2mm wire diameter with outer diameters (D) ranging from 10mm to 20mm (approx. 0.39–0.79 in) and free lengths (L) from 10mm to 50mm (approx. 0.39–1.97 in). Constructed from carbon steel with a close-coiled helical form, the springs deliver consistent axial compression force and return to free length reliably under normal operating loads. Available in packs of 5 or 10 pieces per order.

Typical use cases include small compression spring for electronics enclosures and button mechanisms, miniature compression spring for CNC jigs and fixture clamps, and precision coil spring for robotics actuators, pen mechanisms, and valve assemblies requiring controlled return force.

⚙️ Compatibility: Suitable for spring-loaded mechanisms, plunger assemblies, electronic switches, robotics linkages, and general DIY hardware where an outer diameter of 10–20mm and free length of 10–50mm is required. Verify bore/housing clearance before ordering.

✅ Key Features of These Compression Springs Small 1.2mm Wire

📐 Wide Size Matrix

Outer diameters from 10mm to 20mm and free lengths from 10mm to 50mm — select the exact d×D×L combination your design calls for without custom fabrication.

🔩 1.2mm Wire Diameter

Consistent 1.2mm wire cross-section delivers predictable spring rate and load capacity across all size variants, suitable for light-to-medium duty compression applications.

🔄 Helical Close-Coil Construction

Close-wound coils provide uniform pitch and stable axial compression, minimizing lateral buckling in guided or unguided spring seats.

🛡️ Carbon Steel Construction

Carbon steel wire provides solid tensile strength and spring-back performance for general-purpose indoor and controlled-environment applications.

📦 Multi-Pack Quantities

Available in packs of 5 or 10 pieces — stock spares for prototyping, repair, or production runs without over-ordering.

🎯 Broad Application Fit

Suited for electronics, robotics, CNC fixtures, pen mechanisms, valve springs, and any assembly requiring a compact, reliable return-force element up to 20mm OD.

📐 Technical Specifications — Small Compression Springs

Wire Diameter (d) 1.2 mm
Outer Diameter (D) 10 mm – 20 mm (0.39 – 0.79 in)
Free Length (L) 10 mm – 50 mm (0.39 – 1.97 in)
Material Carbon Steel
Spring Type Helical Compression Spring
End Type See variant options
Surface Finish See variant options
Spring Rate See variant options
Load Capacity See variant options
Pack Quantity 5 pcs or 10 pcs (select above)

❓ Frequently Asked Questions

How do I choose the right size compression spring for my application?

Match the outer diameter (D) to your housing bore with a small clearance (typically 0.5–1mm), and select a free length (L) that gives you the desired compressed and extended travel range. The wire diameter (d) of 1.2mm is fixed across all variants and determines the spring rate — confirm it suits your load requirement before ordering.

What is the spring rate of these 1.2mm wire compression springs?

Spring rate varies by the specific d×D×L combination selected. Longer free lengths and larger outer diameters generally result in lower spring rates (softer springs), while shorter lengths and smaller diameters produce higher rates. Contact us to confirm the spring rate for your specific variant if your application is load-critical.

Are these springs corrosion resistant?

These springs are made from carbon steel, which provides good mechanical performance in dry or controlled indoor environments. For applications exposed to moisture, chemicals, or outdoor conditions, consider stainless steel springs instead. If you need a corrosion-resistant variant, contact us to confirm availability.

What applications are these small compression springs suitable for?

These springs are well-suited for electronics enclosures, push-button mechanisms, pen and stylus assemblies, robotics actuators, CNC fixture clamps, valve return springs, and general DIY hardware projects. The 10–20mm outer diameter range makes them ideal for compact mechanisms where space is limited.

Can I use these springs in a robotics or automation project?

Yes. The consistent wire diameter and wide size matrix make these springs a practical choice for robotics linkages, gripper return mechanisms, and sensor-actuated assemblies. Select the d×D×L combination that matches your stroke and load requirements, and verify the spring rate suits your actuator force budget.

Should I order 5-piece or 10-piece packs?

The 5-piece pack is ideal for prototyping, testing, or low-volume repair work. The 10-piece pack offers a better per-unit value and is recommended if you are building multiple units, running a small production batch, or want to keep spares on hand. Both packs ship the same spring specification — only the quantity differs.

How do I measure a compression spring to confirm it matches my existing part?

Measure the wire diameter (d) with calipers, then measure the outer diameter (D) across the coil body. Finally, measure the free length (L) — the uncompressed total length of the spring. Match all three values to the variant label shown as d×D×L(mm) in the product options above.

🛒 Select your d×D×L size and quantity above, then add to cart.

 

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