10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm
10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm
10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm
10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm
10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm
10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm
10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm
Roll over image to zoom in Click on image to zoom
10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm

10pcs 304 Stainless Steel Compression Spring Pressure Springs 0.2/0.4mm L=5-50mm

HomeDIYer
No reviews

By HomeDIYer®

Price:
$4.42 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact BLIK Diners Club Discover EPS Google Pay iDEAL Wero JCB Maestro Mastercard Multibanco MobilePay PayPal Przelewy24 Shop Pay Twint Union Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Limited Offer — Spend More, Save More
Spend $55+
Save $5
Spend $100+
Save $10
Spend $200+
Save $25
✅ Discount applied automatically at checkout 🚚 Free shipping on orders over $89
HomeDIYer DIY Expert Support

DIY Expert Support

Get fitment advice & recommendations

Mon–Fri  8:30 AM – 8:00 PM
WhatsApp
24-Hour Fast Ship
Arrives in 3–14 Days
Worldwide Shipping
30-Day Returns
1 tree planted with every purchase

Description

304 Stainless Steel Compression Springs — Reliable Pressure Springs for Precision DIY Applications

When a mechanism fails because a spring loses tension, corrodes, or snaps under repeated load, the entire project stalls. Makers, hobbyists, and small workshop operators who need dependable elastic components for automation builds, jigs, fixtures, and mechanical assemblies require compression springs that hold their rated force cycle after cycle. These 304 stainless steel compression springs are engineered for exactly that demand.

Each spring is formed from 304-grade stainless steel wire in diameters of 0.5 mm or 0.6 mm (approximately 0.020–0.024 in). Outside diameters range from 3 mm to 12 mm (approx. 0.12–0.47 in), and free lengths span 5 mm to 50 mm (approx. 0.20–1.97 in). Springs are supplied in sets of 10 pieces per order, with a closed and ground end configuration typical for this wire gauge range.

Typical use cases include DIY electronics enclosure latches requiring a consistent return force, 3D printer bed leveling mechanisms needing uniform spring tension, small pneumatic valve assemblies, robotic gripper return springs, and precision jig fixtures in light manufacturing environments.

⚙️ Compatibility: Suitable for general mechanical assemblies, electronics enclosures, 3D printer components, robotic actuators, and light-duty automation fixtures. Verify inner bore clearance and spring seat dimensions against your application before ordering.

✅ Key Features of These 304 Stainless Steel Compression Springs

🔩
304 Stainless Steel Construction

Formed from 304-grade stainless steel wire for solid corrosion resistance in humid, mildly acidic, and outdoor-adjacent environments where carbon steel springs would degrade.

📐
Wide Size Matrix

Wire diameters 0.5 mm and 0.6 mm combined with outside diameters from 3 mm to 12 mm and free lengths from 5 mm to 50 mm give you a broad selection to match your exact bore and travel requirements.

🔁
Consistent Return Force

Uniform coil pitch and consistent wire diameter across the batch ensure repeatable spring rates, reducing variance in multi-spring assemblies such as bed leveling arrays or parallel actuator banks.

📦
10-Piece Sets

Each order ships as a set of 10 identical springs, giving you spares for prototyping, replacements during testing, and enough quantity to populate multi-spring fixtures without ordering multiple SKUs.

⚡
Closed End Profile

The closed end coil configuration provides a flat bearing surface for stable seating against spring pockets and retaining plates, reducing lateral deflection under axial load.

🛠️
DIY and Automation Ready

Sized for the compact spring pockets common in maker hardware, 3D printer frames, and light automation components — drop-in compatible with standard spring seat diameters in this OD range.

📐 Technical Specifications — Compression Springs

Material 304 Stainless Steel
Wire Diameter 0.5 mm / 0.6 mm (approx. 0.020 in / 0.024 in)
Outside Diameter (OD) 3 mm – 12 mm (approx. 0.12 in – 0.47 in)
Free Length 5 mm – 50 mm (approx. 0.20 in – 1.97 in)
End Type Closed ends (typical for this wire gauge range)
Coil Direction See variant options
Spring Rate See variant options
Surface Finish Natural stainless (no coating)
Quantity per Set 10 pieces
Operating Temperature Typically –20°C to +200°C (–4°F to +392°F) for 304 SS

❓ Frequently Asked Questions

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

Measure the inner bore or spring pocket diameter in your assembly and select an OD that fits with 0.2–0.5 mm clearance. For free length, choose a spring that is 10–20% longer than your required compressed height to ensure adequate preload. Use the Wire Diameter, Outside Diameter, and Length selectors above to find your combination.

Are these springs strong enough for repeated cycling in a 3D printer bed leveling setup?

Yes. 304 stainless steel maintains its elastic properties well under repeated low-load cycling. For bed leveling applications, the 0.5 mm or 0.6 mm wire diameter options in OD 6–8 mm and lengths 15–25 mm are commonly used. Ensure the spring is not compressed beyond 70–75% of its free length during operation to avoid set.

How corrosion-resistant are 304 stainless steel springs compared to carbon steel?

304 stainless steel offers significantly better corrosion resistance than carbon steel in humid, mildly acidic, and outdoor-adjacent environments. It resists rust formation under normal indoor and light outdoor conditions. For highly corrosive environments (saltwater immersion, strong acids), 316 stainless steel would be more appropriate.

What assemblies are these springs compatible with?

These springs are suitable for general mechanical assemblies including electronics enclosure latches, robotic gripper return mechanisms, pneumatic valve springs, jig fixtures, drawer slides, and light automation components. Always verify that the OD fits your spring pocket and that the free length provides adequate travel for your application.

How do I select between 0.5 mm and 0.6 mm wire diameter?

A thicker wire diameter (0.6 mm) produces a stiffer spring with a higher spring rate for the same OD and length. Choose 0.5 mm wire for lighter return forces and more travel compliance, and 0.6 mm wire when you need a firmer, more resistant spring. If you are replacing an existing spring, match the wire diameter to the original specification.

Can I use these springs outdoors or in wet environments?

304 stainless steel provides good resistance to moisture and light weather exposure, making these springs suitable for outdoor-adjacent applications such as enclosure latches or garden equipment mechanisms. Avoid prolonged submersion in chlorinated or salt water, as this can cause pitting corrosion over time.

Do I need to buy multiple SKUs to get different sizes?

Yes. Each variant combination (Wire Diameter × Outside Diameter × Length) is a separate SKU. Use the three selectors above to configure your exact size, then add to cart. Each order of a single variant ships as a set of 10 identical springs.

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

You may also like

Recently viewed