0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel
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0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel

0.7mm Wire Dia 5-11mm Diamete L= 60-100mm Small Springs Compression Spring Steel

HomeDIYer
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By HomeDIYer®

Price:
$10.34 USD
Stock:
In stock (500 units), ready to be shipped

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Description

0.7mm Wire Compression Springs — Compact Steel Coil Springs for Precision DIY Applications

When your project demands a reliable, space-saving spring that won't fail under repeated cycling, finding the right compression spring in the right size can be a real challenge. These small compression springs are designed for makers, engineers, hobbyists, and repair technicians who need consistent spring force in tight spaces — without having to order custom parts or buy oversized industrial quantities.

Each spring is wound from 0.7mm wire diameter steel, with outer diameters ranging from 5mm to 12mm (approximately 0.20" to 0.47") and free lengths from 60mm to 100mm (approximately 2.36" to 3.94"). The coil body is finished in a natural steel tone, and springs are available in multiple pack sizes — 5, 10, 20, 50, or 100 pieces — so you can stock exactly what your build requires.

These compression springs are well-suited for electronics enclosure latches and button return mechanisms, small mechanical assemblies in robotics and automation rigs, pen and stylus internals, valve and plunger return applications in fluid control projects, and precision instrument components where a compact spring rate is critical.

⚙️ Compatibility: Suitable for standard spring seats and bores accepting 5–12mm OD springs. Verify free length and spring rate against your application before ordering. Select your exact size from the variant options above.

✅ Key Features of These 0.7mm Wire Compression Springs

🔩
0.7mm Wire Diameter

Consistent 0.7mm wire gauge across all size variants ensures uniform coil geometry and predictable spring behavior in compact assemblies.

📐
Wide Size Range

Outer diameters from 5mm to 12mm and free lengths from 60mm to 100mm give you the flexibility to match the exact bore and travel distance your design requires.

🔄
Compression-Optimized Coil Geometry

Closed and ground ends (typical for this spring class) provide flat seating surfaces, reducing lateral deflection and improving load distribution in confined housings.

🛡️
Steel Construction

Wound from steel wire with inherent tensile strength suited for repeated compression cycles in mechanical, electronic, and instrumentation applications.

📦
Flexible Pack Quantities

Available in packs of 5, 10, 20, 50, or 100 pieces — order a small trial pack or stock up for production runs and repair inventories.

🎯
Consistent Dimensional Accuracy

Each spring is manufactured to maintain OD, wire diameter, and free length within tight tolerances, ensuring repeatable fit across multiple units in the same assembly.

📐 Technical Specifications — Compression Springs

Wire Diameter 0.7 mm
Outer Diameter (OD) 5 mm – 12 mm (0.20" – 0.47")
Free Length 60 mm – 100 mm (2.36" – 3.94")
Material Steel
Spring Type Compression
End Type See variant options
Surface Finish See variant options
Spring Rate See variant options
Pack Quantity 5 / 10 / 20 / 50 / 100 pcs
Weight (per pack) See variant options

❓ Frequently Asked Questions

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

Measure the inner diameter of the bore or housing where the spring will sit. The spring's outer diameter should be slightly smaller than the bore ID to allow free movement without binding. For a spring guide rod, the spring's inner diameter (OD minus 2× wire diameter) should be slightly larger than the rod. Use the variant selector above to choose from ODs of 5mm through 12mm.

What free length should I select for my design?

The free length is the uncompressed length of the spring. You should select a free length that is longer than your required working length by at least the amount of travel (compression stroke) your application needs. Available free lengths range from 60mm to 100mm in this listing. If your required compressed length plus travel exceeds 100mm, a longer spring from a different listing may be needed.

Are these springs strong enough for my mechanical assembly?

These springs use a 0.7mm wire diameter, which is suited for light-to-medium load applications such as button returns, latch mechanisms, pen internals, small valve plungers, and precision instrument components. They are not intended for heavy industrial load-bearing applications. If you need the exact spring rate (N/mm), please contact us to confirm before ordering.

Are these springs corrosion resistant?

These springs are made from steel wire and offer standard corrosion resistance suitable for indoor, dry, or low-humidity environments. For applications exposed to moisture, chemicals, or outdoor conditions, consider using stainless steel springs or applying a protective coating after installation. Contact us if you need guidance on material suitability for your specific environment.

Can I use these springs in electronics or PCB assemblies?

Yes. The compact OD range (5–12mm) and consistent wire diameter make these springs a practical choice for button return mechanisms, battery contact springs, connector retention, and similar electronics applications. Ensure the spring's OD and free length match your PCB footprint and housing depth before ordering.

How do I decide between the 5-pack and the 100-pack?

If you are prototyping or need springs for a one-off repair, the 5-pack or 10-pack is the most cost-effective starting point. For production runs, repair kits, or stocking a workshop inventory, the 50-pack or 100-pack offers a lower per-unit cost. All pack sizes contain identical springs — only the quantity differs.

What is the inner diameter of these springs?

The inner diameter (ID) is calculated as: OD − (2 × wire diameter). For example, a 0.7x7mm spring has an ID of approximately 7mm − 1.4mm = 5.6mm. Use this formula to verify guide rod clearance for your specific size variant.

🛒 Select your size and pack quantity above, then add to cart.

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