Best M4 Brass Press Inserts for Stronger Projects

1. HANGLIFE M4 Heat-Set Threaded Inserts with Insert Tip, Heat Set Insert for 3D Printing Components and Plastic Parts with Soldering Iron Press Tool – Brass Metric Knurled Nuts (100 Pieces)

These M4 heat-set inserts fit 3D printed parts perfectly. They are made of durable brass for long-lasting use. This set includes 100 pieces with an insert tip for easy work.

The M4 heat-set tip makes installation simple and smooth. It works well with many types of plastic parts without damage.

The spiral-shaped knurled nuts provide a strong, secure hold. Use the soldering iron press tool for the best results every time.

2. E-Z LOK Threaded Insert for Plastic Flush Brass Thread Inserts M4-0.7 Pack of 25

E-Z LOK Threaded Inserts are perfect for plastic materials. They come in brass or stainless steel and install without heat. These M4-0.7 inserts are easy to use and strong.

The slotted design makes installation quick and simple. They work with thermoset plastics, thermoplastics, and 3D printed parts. Available in flush, flanged, and reverse slot styles.

3. [ J&J Products, Inc ] M4 Brass Insert 50pcs,6.5mm OD, 4.7 mm Length, Female M4 Thread, Press Fitting or Heat Sink or Injection Molding Type, 50 pcs

J&J Products, Inc offers a 50-piece set of M4 Brass Inserts. These inserts are 6.5mm in diameter and 4.7mm long, with a female M4 thread. They are perfect for press fitting, heat sink applications, or injection molding.

These brass inserts are made of high-quality material, ensuring durability and reliability. They weigh only 38g, making them lightweight and easy to work with. Use them to enhance your 3D printed parts with secure metal threads.

Create polished products. Add professional finishes. Secure threads permanently.

4. Yaocom 300 Pcs M4 Threaded Inserts M4 x D6 x L6 Heat Set Inserts Brass 3D Printing Knurled Metric Nuts for Plastic, 3D Printing Components

Yaocom M4 Threaded Inserts come in a bulk pack of 300 pieces, perfect for all your needs. They are made from high-quality brass, ensuring durability and long-lasting use. These inserts are ideal for 3D printing, electronics, and more.

Installation is quick and easy, with no need for extra holes. They work well with ultrasonic or heat methods, fitting smoothly into plastic. Their precise design ensures secure and stable fixation.

The knurled outer surface adds friction and bite force, keeping them firmly in place. Once installed, they won’t slip, providing reliable stability for your projects.

5. Ktehloy 100Pcs M4 Heat Set Inserts, Metric knurled Nuts Brass Heat Set Insert for Plastic Parts,Insert by Heat into 3D Printing Components (M4xL6xD6)

These brass heat set inserts give your 3D prints a strong and clean fit. They hold tight and stay firm in place. They work well with many plastic parts.

Each insert has clear threads and strong grip. They resist heat, wear, and damage. They stay stable even under heavy use.

Use them with many thermoplastics and 3D print projects. They make your builds stronger and easier.

6. HANGLIFE Heat-Set Threaded Inserts, M4 Heat Set Insert for 3D Printing Components and Plastic Parts – Brass Metric Knurled Nuts (100 Pieces)

HANGLIFE Heat-Set Threaded Inserts are perfect for 3D printing. They fit seamlessly into your projects. These brass nuts add strength and functionality.

The knurled design ensures a secure hold. It resists torque and pull-out. This makes your creations reliable and durable.

These M4 inserts work with various plastics. They are corrosion-resistant and long-lasting. Find the right size for your needs with HANGLIFE.

7. [ J&J Products ] M4 Brass Insert, 11.5 mm (Length), Female Thread, Press Fit/Injection Mold Type, 50 pcs

J&J Products M4 Brass Insert is a press fit/injection mold type insert. It measures 5.5xM4x11.5 mm and comes in a pack of 50 pieces. Use it to add metal threads to your projects easily.

This brass insert is lightweight at 105g and works well with 3D printed parts. It helps you create polished, professional products with secure, permanent threads.

8. 100pcs M4 Brass Threaded Inserts, Metric Knurled Nuts, M4x6x6 Heat Set Insert for 3D Printing Components and Plastic Parts

100pcs M4 Brass Threaded Inserts give a strong hold for 3D printing and plastic parts. They are made from brass for a firm, clean fit.

These knurled insert nuts help stop slipping. They work with PLA, ABS, PPS, PP, and PETG. You can fit them with heat or ultrasonic tools. A soldering iron can also do the job.

Each insert has an M4 internal thread and a 6mm size. The set comes in a clear PE bag and a recyclable PP box for easy storage.

9. uxcell 30 Pcs Threaded Inserts with Soldering Iron Tip Press Tool, M4 x 5mm H x 5.5mm OD Brass Metric Knurled Nuts Heat Set Inserts Embedment Nut for 3D Printing Plastic Parts

Strengthen your 3D prints with these brass threaded inserts. Each pack includes 30 inserts and a soldering iron tip tool. They’re perfect for adding strong threads to plastic parts.

These inserts are made of high-quality brass, so they’re durable and rust-free. They work well with heat and pressure, making them ideal for 3D printing and plastic parts.

Use them for prototypes, joints, or repairs. The knurled design ensures a firm, stable connection. Simply heat and press—it’s easy and reliable.

10. uxcell Knurled Insert Nuts, 50pcs M4 x 4mm L x 6mm OD 3D Printing Brass Nuts Female Threaded Inserts Brass Heat Set Insert Embedment Nuts

Strong brass nuts fit well. They work for 3D prints. These nuts last long.

The thread is very clean. It holds a tight grip.

Heat sets them fast. Use these for DIY jobs. The size is just right.