100pcs M3 Brass Knurled Heat-Set Embedment Nuts

4.9 · 9 reviews
$5.90
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100pcs M3 knurled brass embedment nuts made of durable copper with heat-set installation, suitable for injection molding and 3D printers.

15 in stock

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Estimated Delivery Time3–7 business days

Durable Brass Construction

Made from high-quality copper brass, these M3 embedment nuts offer exceptional hardness and durability. Their golden finish provides corrosion resistance and a professional look for various applications.

Effortless Installation

Designed with a guide pilot and valve conduit, these nuts eliminate the need for counterboring or countersinking holes.

Installation methods include ultrasonic or heat insertion in tapered holes, or embedding during injection molding, saving time and effort.

  • No counterbore or countersink needed
  • Compatible with heat or ultrasonic installation
  • Supports injection molding embedment

Versatile Use Cases

Ideal for 3D printer assemblies like Voron 2.4 models and other metalworking projects requiring secure threaded inserts.

Reliable for tight fixing applications in plastic and metal materials.

  • Compatible with 3D printer components
  • Suitable for injection molding parts
  • Perfect for metalworking DIY supplies

Key Specifications

  • Material: Copper brass
  • Color: Golden
  • Size: M3 x 5mm (length) x 4mm (thread depth)
  • Package quantity: 100 pcs

What's in the box

  • 100 x M3 brass knurled heat-set embedment nuts
Product FAQ

Frequently asked questions

01 What material are these embedment nuts made of?

They are made of high-quality copper brass, providing hardness and durability.

02 What is the size specification of these embedment nuts?

Each nut has dimensions of M3x5x4.

03 How are these nuts installed?

They can be installed by ultrasonic or heat methods in a tapered bore, or molded during injection molding.

04 Do I need to counterbore or countersink the hole before installation?

No, the insert has a guide pilot and valve conduit, eliminating the need to counterbore or countersink the boss hole.

05 How many embedment nuts come in this pack?

The package includes 100 embedment nuts.

06 Are these embedment nuts suitable for 3D printers?

Yes, they are ideal for use in 3D printers and other applications requiring threaded inserts.

07 What color are the embedment nuts?

They have a golden color typical of brass.

08 Are these nuts resistant to deformation?

Yes, the brass material has high hardness which helps prevent deformation and ensures reliability.

09 Can these nuts be used for injection molding?

Yes, they are designed for tight fixing in injection molding applications.

10 Is any special tooling required for installation?

Installation can be done using ultrasonic or heat in tapered bore wiring without special back-drilling or countersinking.

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Weight—
AvailabilityIn stock
SKUGA_191442

Discussion

4.9
Based on 9 reviews
Rating
Mysterious Shopper October 4, 2026 ★ ★ ★ ★ ★

Great seller, fast shipping!!!

Mysterious Shopper September 4, 2026 ★ ★ ★ ★ ★

Great needed for some 3d prints

Mysterious Shopper June 20, 2026 ★ ★ ★ ★ ★

Everything was fine and very fast.

B***c April 11, 2026 ★ ★ ★ ★ ★

Excellent product

Mysterious Shopper January 7, 2026 ★ ★ ★ ★ ★

Everything is fine.