3D Printing Magnets 4x2mm N35 NdFeB Powerful Round

4.9 · 34 reviews
Price range: $4.75 through $11.15
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High-grade N35 neodymium magnets measuring 4x2mm, perfect for 3D printing, DIY projects, and organizational use.

  • Strong magnetic force
  • RoHS and MSDS certified
  • Flat round shape with ±0.1mm tolerance
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Estimated Delivery Time3–7 business days

Precision Strong Magnets

These powerful N35 neodymium magnets measure precisely 4 x 2 mm, with a tight tolerance of ±0.1 mm to ensure consistent performance. Their flat, round shape makes them ideal for securing models and components in 3D printing and other DIY applications.

Certified Quality and Safety

Manufactured under strict standards, these magnets have passed RoHS and MSDS certifications, confirming they meet safety and environmental regulations.

Versatile Uses for Creativity and Organization

Designed not only for 3D printing projects but also perfect for DIY fridge stickers and office whiteboard storage solutions.

  • Use them to hold parts securely during 3D modeling and assembly
  • Attach notes or tools magnetically in your workspace
  • Create magnetic decorations or custom models effortlessly

Durable Temperature Resistance

The magnets operate reliably up to a maximum temperature of 80°C (176°F), making them suitable for various environments.

Key specifications

  • Material: Neodymium (NdFeB)
  • Size: 4×2 mm (Diameter x Thickness)
  • Shape: Flat round
  • Grade: N35
  • Tolerance: ±0.1 mm
  • Max Operating Temperature: 80°C / 176°F
  • Certifications: RoHS, MSDS certified

What's in the box

  • 3D Printing Round Magnets 4x2mm N35 NdFeB
Product FAQ

Frequently asked questions

01 What material are these magnets made of?

They are made of neodymium, specifically grade N35 NdFeB.

02 What are the dimensions of these magnets?

Each magnet measures 4mm in diameter and 2mm in thickness.

03 Are these magnets certified for safety?

Yes, they have passed RoHS and MSDS certifications.

04 What is the operating temperature for these magnets?

The maximum operating temperature is 80°C (176°F).

05 Can these magnets be used for 3D printing projects?

Yes, they are designed for 3D printing, DIY models, fridge stickers, and office whiteboard storage.

06 What is the shape of these magnets?

They are flat, round magnets with a tolerance of ±0.1mm.

07 Is any assembly required to use these magnets?

No assembly is required; they are ready to use.

08 Are these magnets suitable for office organization?

Yes, they can be used for office whiteboard storage and organizing magnetic items.

09 Where are these magnets manufactured?

They are produced in Mainland China.

10 Are there any hazardous chemicals in these magnets?

No, these magnets do not contain any high-concern chemicals.

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SKUGA_183342

Discussion

4.9
Based on 34 reviews
Rating
AliExpress Shopper October 14, 2026 ★ ★ ★ ★ ★

Received as pictured.

U***r October 10, 2026 ★ ★ ★ ★ ★

Pretty good.

AliExpress Shopper October 8, 2026 ★ ★ ★ ★ ★

Just as I expected, I will use them as inserts in 3D printing.

J***E October 2, 2026 ★ ★ ★ ★ ★

I ordered 4x2mm magnets and received 4x4mm magnets. Correct diameter. Incorrect thickness.

AliExpress Shopper October 2, 2026 ★ ★ ★ ★ ★

Strong little magnets