Compression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire Dia
Compression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire Dia
Compression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire Dia
Compression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire Dia
Compression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire Dia
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Compression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire DiaCompression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire DiaCompression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire DiaCompression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire DiaCompression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire Dia

Compression Spring 9-28mm Diameter & 15-100mm Length Pressure Big 1.5mm Wire Dia

HomeDIYer
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By HomeDIYer®

Price:
$8.96 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Compression Springs with 1.5mm Wire Diameter — Reliable Force for Every DIY Mechanism

When a loose-fitting jig, a sluggish return mechanism, or an under-tensioned assembly keeps slowing your project down, the culprit is almost always an undersized or wrong-spec spring. These compression springs are engineered for makers, hobbyists, and small-workshop builders who need consistent, measurable push force without sourcing industrial minimums. Whether you are retrofitting a tool, building a custom fixture, or replacing a worn-out spring in a machine, having the right wire diameter and coil geometry makes all the difference.

Each spring is wound from 1.5mm (approximately 0.059 in) steel wire, with outer diameters ranging from 9mm to 28mm (approx. 0.35 in to 1.10 in) and free lengths from 15mm to 100mm (approx. 0.59 in to 3.94 in). The coils are tightly wound with closed and ground ends on most sizes, providing flat, stable seating surfaces for precise load application. Finish is a standard bright steel; surface treatment may vary by batch.

These compression springs suit a wide range of DIY and light-industrial use cases: spring-loaded clamps and toggle fixtures for woodworking jigs, return mechanisms in pneumatic or manual actuators, and tension-balancing assemblies in 3D printer extruder carriages or CNC axis preload systems. The multi-size variant structure lets you order exactly the outer diameter and length combination your design calls for.

🔧 Compatible with standard spring seats, bores, and pockets sized for 9–28mm OD springs. Verify free length and spring rate against your load requirements before ordering.

✅ Key Features of These Compression Springs

📏 Wide Size Range

Outer diameters from 9mm to 28mm and free lengths from 15mm to 100mm cover the most common DIY spring pockets and bores in a single listing.

🔩 1.5mm Wire Diameter

The 1.5mm wire gauge delivers a firm spring rate suited to medium-load return mechanisms, clamps, and actuator assemblies without excessive bulk.

⚙️ Closed & Ground Ends

Flat end coils provide stable, square seating on spring pockets and plungers, reducing side-load and improving axial alignment in precision fixtures.

🛡️ Steel Construction

Wound from carbon steel wire for consistent elasticity and fatigue resistance across repeated compression cycles in workshop and automation environments.

📦 Multi-Pack Quantities

Shorter lengths ship in packs of 10; longer lengths (60–100mm) ship in packs of 5 — giving you spares for prototyping and replacement without over-ordering.

🎯 Variant-Based Selection

Choose wire diameter, outer diameter, and length & quantity independently so you get exactly the spring geometry your design requires.

📐 Technical Specifications — Compression Springs

Wire Diameter 1.5mm (0.059 in)
Outer Diameter Range 9mm – 28mm (0.35 in – 1.10 in)
Free Length Range 15mm – 100mm (0.59 in – 3.94 in)
End Type Closed and ground (typical)
Coil Direction Right-hand wound
Material Carbon steel wire
Surface Finish Bright steel (uncoated)
Spring Rate See variant options
Load at Solid Height See variant options
Pack Quantity 5 pcs (60–100mm length) / 10 pcs (15–50mm length)

❓ Frequently Asked Questions

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

Measure the bore or pocket your spring will sit in and select an outer diameter (OD) that is 0.5–1.5mm smaller than the bore for a sliding fit, or match the OD to a guide rod's outer diameter if the spring wraps around it. The available ODs run from 9mm to 28mm in this listing, covering most standard DIY spring pockets.

What free length should I order?

Free length is the uncompressed length of the spring. You need a free length longer than your required working length by at least the amount of travel (stroke) your mechanism demands. For example, if you need 20mm of travel and a 10mm working height, choose a free length of at least 30mm — a 35mm option gives you a small safety margin.

Are these springs corrosion-resistant?

These springs are made from bright carbon steel wire without a protective coating. They are suitable for dry indoor environments. For applications exposed to moisture, humidity, or mild chemicals, consider applying a light machine oil after installation or contact us to confirm suitability for your specific environment.

What is the spring rate (stiffness) of each size?

Spring rate varies by outer diameter and free length combination. Shorter springs with smaller ODs tend to be stiffer; longer springs with larger ODs are softer for the same wire diameter. Exact spring rate data per variant is not listed here — if you need a specific rate (N/mm or lbf/in), please contact us with your OD and length selection and we will provide the specification.

Can I use these springs in a 3D printer or CNC machine?

Yes. These compression springs are commonly used in 3D printer bed-leveling assemblies, extruder carriage preload, and CNC axis anti-backlash fixtures. Select the OD that matches your existing spring pocket and a free length that provides the correct preload travel for your design. The 1.5mm wire diameter provides a firm but manageable spring rate for most light-machine applications.

Why do longer lengths come in packs of 5 instead of 10?

Longer springs (60–100mm free length) are bulkier to package and are typically used in lower-quantity applications such as single-axis mechanisms or large clamps. Packs of 5 keep the price accessible while still giving you spares. Shorter springs (15–50mm) ship in packs of 10 because they are more commonly used in multi-spring assemblies or consumed faster during prototyping.

How do I confirm the spring will fit before ordering?

Check three dimensions: (1) outer diameter vs. your bore or pocket, (2) free length vs. your available uncompressed space, and (3) wire diameter vs. any inner guide rod clearance — the inner diameter of these springs is approximately OD minus 3mm (i.e., 2× wire diameter subtracted from OD). If you are unsure, order one unit of your target size first to verify fit before purchasing a full pack.

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

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