Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs
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Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure SpringsCompression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs

Compression Spring Steel 1.0mm Wire Dia 5mm - 20mm OD Small Pressure Springs

HomeDIYer
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By HomeDIYer®

Price:
$3.52 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Compression Spring Steel 1.0mm Wire — Reliable Small Pressure Springs for Precision Builds

Finding a compression spring that fits a tight cavity without losing its return force is a recurring challenge for makers, repair technicians, and mechanical engineers. These 1.0mm wire diameter compression springs are sized for compact assemblies where space is limited but consistent spring force is non-negotiable. Whether you are prototyping a new mechanism or replacing a worn-out spring in an existing device, having the right outer diameter and free length on hand saves time and rework.

Each spring is formed from steel wire with a nominal wire diameter of 1.0mm (0.039 in). Outer diameters span 5mm to 20mm (approx. 0.197 in to 0.787 in), and free lengths range from 5mm to 50mm (approx. 0.197 in to 1.969 in). Springs are sold in packs of 10 pieces per variant, letting you stock multiple sizes without over-ordering.

Typical use cases include small compression spring for electronics enclosures and battery contacts, miniature pressure spring for 3D-printer extruder mechanisms, and replacement coil spring for pen clickers, valve assemblies, and light-duty latching hardware.

🔧 Compatibility: Suitable for shafts and bores sized to match the selected outer diameter. Verify inner diameter clearance against your shaft OD before ordering — see variant options for exact dimensions.

✅ Key Features of These Compression Springs Steel 1.0mm Wire

🔩 1.0mm Wire Diameter

Consistent 1.0mm wire cross-section delivers predictable spring rate and load capacity across all outer diameter variants.

📐 Wide OD Range: 5mm – 20mm

Sixteen outer diameter options from 5mm to 20mm (0.197–0.787 in) cover the most common small-spring bore sizes in one listing.

📏 Free Length 5mm – 50mm

Ten length options per OD size let you dial in the exact travel and preload your assembly requires without custom fabrication.

🗂️ 10-Piece Packs

Each variant ships as a pack of 10 springs — enough for prototyping, small-batch production, or keeping spares on the bench.

⚙️ Closed & Ground Ends

End coils are closed to provide a flat seating surface, ensuring stable axial alignment when compressed between parallel plates or in a pocket.

🏭 Steel Construction

Formed from steel wire suited to general-purpose mechanical applications; maintains shape under repeated compression cycles in dry or lightly lubricated environments.

📐 Technical Specifications — Compression Springs Steel

Wire Diameter 1.0mm (0.039 in)
Outer Diameter (OD) 5mm – 20mm (0.197 – 0.787 in) — See variant options
Free Length 5mm – 50mm (0.197 – 1.969 in) — See variant options
Pack Quantity 10 pieces per pack
Material Steel
End Type Closed ends
Spring Type Compression
Spring Rate See variant options
Surface Finish See variant options
Inner Diameter (ID) See variant options

❓ Frequently Asked Questions

How do I choose the right outer diameter for my application?

Measure the bore or pocket that will house the spring. The spring OD should be 0.5–1.0mm smaller than the bore diameter to allow free movement without binding. For shaft-guided springs, the spring ID must be at least 0.5mm larger than the shaft OD. Select the OD variant closest to those calculated values.

What load can a 1.0mm wire diameter compression spring handle?

Load capacity depends on wire diameter, OD, free length, and number of active coils. A 1.0mm wire spring is suited to light-duty applications — typically in the range of a few Newtons to tens of Newtons depending on the specific geometry. For precise load requirements, contact us to confirm the spring rate for your chosen variant.

Are these springs corrosion-resistant?

These springs are made from steel wire. Standard steel offers moderate corrosion resistance in dry indoor environments. For humid, wet, or chemically exposed environments, consider using a stainless steel spring variant or applying a light protective coating after installation.

Can I use these springs in a 3D printer or robotics project?

Yes. The 5–20mm OD range and 5–50mm free length options make these springs well-suited for 3D printer extruder tensioners, bed-leveling assemblies, and small robotic linkages. Select the OD and length that match your design's spring pocket and required travel.

How do I determine the correct free length to order?

Free length is the uncompressed length of the spring. Measure the available cavity depth and subtract the required compressed length (solid height + desired working travel). Choose the free length variant that falls within that range. If you are replacing an existing spring, measure the old spring while unloaded.

Are the ends of these springs closed or open?

The springs feature closed ends, which provide a flat seating surface for stable axial loading. This end style is standard for most compression spring applications and ensures the spring sits squarely against mating surfaces without tilting under load.

Can I buy a single spring instead of a 10-piece pack?

All variants are sold in packs of 10 pieces. This pack size is designed to cover prototyping needs, provide spares, and support small-batch production runs. Single-piece purchasing is not available for this listing.

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

 

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