Thread Insert M25 Heats of 2025
Best Choice1
3DZWMAN10% OffHeat Set Thread Inserts 380pcs Boxed with M2 M2.5 M3 M4 M5 M6(1/4) M8 Insert Tips for 3D Printing Components and Plastic Parts-Brass Metric Knurled Nuts
Main highlights- widely used for hot insertion nuts in 3D printing and other plastic parts.
- Insert Tips include M2 M2.5 M3 M4 M5 M6 (1/4) M8
- Insert Tips are suitable for SP40NUS/Hakko FX-888D/900M and T18 Iron
- Both Insert Tips and Brass Nuts are made of high-quality brass with standardized size processing
- 380Pcs Set includes M2x3x3.2-60Pcs M2.5x4x4-100Pcs M3x4x4.2-100Pcs M4x4x5-50Pcs M5x5x7-40Pcs M6x6x8-10Pcs 1/4-20x68-10Pcs M8x8x10-10Pcs
9.7Exceptional
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Value for Money2
KtehloyKtehloy 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components
Main highlights- 【Wide Application】 - These inserts are designed for use with all thermoplastics, including materials like PLA, PETG, ABS, PPS, PP, and others. Whether installing them in 3D printed objects, injection-molded plastic parts, automotive plastic casings, or laptop shells, these inserts offer reliable and durable solutions.
- 【Precision Craftsmanship】- High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient.
- 【High-Quality Threaded Inserts】- Crafted from top-tier brass materials, these threaded inserts boast outstanding thermal conductivity, corrosion resistance, and durability. They exhibit remarkable resistance against breakage and deformation. Withstanding temperatures exceeding 300°C / 572°F, they easily endure the harsh heat generated during plastic thermal shaping processes.
- 【Easy to Use】- Brass threaded inserts can be installed into components of a 3D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. With a common soldering iron, you can easily place them into the holes of 3D prints.
- 【Convenient Use and Storage】- Stored in reinforced compartmentalized boxes, all components are segregated to prevent mixing during transportation. Corresponding labels and compartments for the threaded inserts help you quickly find the desired type, significantly boosting your work efficiency.
9.6Exceptional
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3
HanglifeHeat-Set Insert Tips for Threaded Inserts M2 M2.5 M3 M4 M5 M6 M8, Soldering Iron Tips Compatible with Weller SP40NUS/Hakko FX-888D/900M/T18 Irons- Press Tool for Plastic 3D Printer Components
Main highlights- Versatile Compatibility for Soldering Irons: This soldering adaptor seamlessly compatible with soldering irons utilizing T18 900M and Weller ST series soldering tips, including models like Hakko FX-888D, FX-888, FX-8801, FX-600, Weller WLC100, SPG40, SP40NUS, SP40L, SP40N, Yihua 926, 939D, and more.
- Preserve Your 3D Printing Parts: Our heat set insert tips, featuring a slim head design, allow you to reach deeper into 3D-printer parts, minimizing the risk of damage to the surface around the thread insert. Safeguards your meticulously printed parts that took hours to create.
- Practical Set for Various Sizes: Our kit includes 7 high-quality brass heat-set insert tips in sizes M2, M2.5, M3, M4, M5, M6, and M8, which withstand heat processing well and exhibit better thermal conductivity. Additionally, it comes with a convenient plastic case for easy storage, making it a practical accessory for 3D printing.
- Effortless Heat-Set Insert Installation: Frustrated by the damage caused when using a conical soldering iron for inserting threaded inserts into 3D printed materials? Our specialized heat-set insert tips ensure a seamless and clean installation process, enhancing your overall experience.
- Convenient Tip Change Design: The split design allows for easy switching between different tip sizes without unscrewing the sleeve of your iron. Effortlessly change tip heads by screwing off the old one and attaching the new, providing flexibility for various projects.
9.5Excellent
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4
QSJ440Pcs Threaded Inserts Bolt Set M2.5 M3 Heat Set Insert Brass Nut with Bolt for 3D Printed Plastic Parts
Main highlights- 【Package】 440pcs set with 140 M2.5x4x3.5 threaded inserts, 140 M2.5x5 bolts, 80 M3x4x5 threaded inserts, 80 M3x5 bolts, and M2.5/M3 soldering iron tips for precise assembly.
- 【Material】 Our threaded inserts are crafted from durable brass, offering excellent resistance to corrosion and wear, while the bolts are made from high-quality stainless steel, providing superior strength and longevity.
- 【Ideal for 3D Printing Applications】 Perfectly suited for securing 3D-printed parts, this set allows for strong and secure connections that maintain the integrity of your projects. Whether you're assembling intricate models or functional prototypes, these fasteners provide the stability and precision required.
- 【Enhanced Performance with Combined Use】 Using the inserts and bolts together maximizes the holding power and structural integrity of your assemblies. The threaded engagement between the brass inserts and stainless steel bolts creates a robust connection, reducing the risk of loosening over time and ensuring long-lasting durability.
- 【Abundant Quantity】 With 440 pieces in total, this set provides an ample supply of fasteners for even the most extensive projects. The generous quantity ensures you always have the right fastener on hand when you need it.
9.4Excellent
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5
KadrickHeat Set Insert Tool,Tips for Threaded inserts M2 M2.5 M3 M4 M5 M6, Soldering Iron Tips for 3D Printer Users,Compatible with 900M/T18/FX-888D Irons- Press Tool for Plastic 3D Printer Components
Main highlights- Wide compatibility: Compatible with soldering irons heads T18/900M and ST series soldering tips, including FX888D FX600 WLC100 SPG40 SP40NUS Yihua 926 Yihua 939D Ryobi P3100 X-Tronic 3020 and more
- Versatile Set: This set includes 6 soldering tips in popular sizes - M2, M2.5, M3, M4, M5, and M6 - ideal for retrofitting threaded brass inserts into 3D printed parts.
- Precision Design: The soldering tips feature an optimized geometry that prevents damage to 3D printed parts during installation.
- Durable Construction: Made from high-quality materials, these tips offer long-lasting performance and reliable use.
- Convenient Application: Heat-Set Insert Tips allow you to securely set threaded inserts into plastic, enhancing part strength and enabling multiple assembly/disassembly cycles.
9.1Excellent
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6
ELCJDZYOELCJDZYO 300Pcs Threaded Inserts M2 M2.5 M3 M4 M5 M6 Brass Heat Set Insert for Plastic and 3D Printing Components
Main highlights- Versatile compatibility: Including PLA, PETG, ABS, PPS, PP, etc., the threaded sleeve will be securely fixed once the plastic of the parts surrounding the brass sleeve cools and hardens.
- Stable and long-lasting:The threaded inserts are made of high-quality brass, ensuring optimal corrosion resistance and thermal conductivity. This means that each insert nut can be used for a long time and is easy to use. When the insert nut is no longer needed, just carefully remove it from the pressure part and the insert nut can be reused.
- Secure fixation: The opposite spiral knurled nuts provide balanced high-tightening torque to ensure a stable connection. Guiding and insertion have been greatly simplified.
- Perfect fit for your 3D printed parts: Use our threaded inserts to seamlessly retrofit your 3D printed components, easily embedding into blind or through holes using heat or ultrasound. It is the best solution for adding threads to 3D printing.
- Package includes: These threaded insert combination kits are available in 15 sizes, including different sizes of M2, M2.5, M3, M4, M5, M6. Each specification has its own separate compartment in the plastic box, and we have attached labels with detailed annotations of key data for easy storage and finding.
9.0Excellent
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7
ruthexruthex M2.5 Threaded Inserts - 70 Pieces RX-M2.5x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components
Main highlights- SUITABLE FOR A VARIETY OF PLASTICS: The inserts are designed for all thermoplastics. For example, the knurled nuts hold in PLA, PETG, ABS, PPS, PP and many more. As soon as the plastic of the part around the brass sleeve cools and hardens, the threaded sleeve is firmly anchored
- STABLE & LONG-LASTING THREAD INSERTS: The inserts with internal thread brass, which ensures optimum corrosion resistance and thermal conductivity. This means that each insert nut can be used for a long time and is easy to use. The reusability of the insert nut is also possible by carefully removing them from the pressure part when they are no longer needed
- PRACTICAL THREAD INSERT SET: The ruthex thread insert set are lead free RX-M2.5x5.7 consists of 70 insert nuts with M2.5 internal thread and a length of 5.7 mm. The threaded sleeves can be inserted by ultrasonic and heat embedding
- M2.5 THREAD INSERTS FOR YOUR 3D PRINTED PARTS: The ruthex threaded nuts can be retrofitted by heat or ultrasound into parts of 3D printers from e.g. Anycubic or Prusa. With the help of heat from a soldering iron or ultrasonic, the insert nuts are simply embedded in a blind- or through hole
- FIXED HOLD WITH EASY APPLICATION: Thanks to the geometry of the threaded sleeve, the threaded sleeve holds it firmly in the pressure part. The opposing spiral-shaped knurled nuts ensure a balanced high tightening and loosening torque, as well as a high tightening force. The guide has made insertion much easier
8.8Very Good
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8
HanglifeHANGLIFE M2.5 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)
Main highlights- Versatile Compatibility with Plastics: Designed for all thermoplastics including PLA, PETG, ABS, PPS, PP, our inserts find applications in 3D printers, electrical molding machines, automotive plastic shells, and more, ensuring compatibility across various materials.
- Secure Hold with Simple Application: Opposite spiral-shaped knurled nuts provide balanced high tightening torque for a stable connection, resisting torque and preventing pull-out, making them ideal for plastic components.
- Practical Thread Insert Set: This comprehensive M2.5x3.5x4 set contains 100 insert nuts featuring an M2.5 metric internal thread, 3.5mm width, and 4mm length. Additionally, it includes a compatible M2.5 insert tip, ensuring you have all the necessary supplies for your projects.
- Perfect Fit for 3D Printed Parts: Seamlessly retrofit or reinforce your 3D printed components with our threaded inserts, ensuring a reliable and secure method for fastening parts in your projects.
- Effortless Installation: Our inserts are equipped with a M2.5 heat-set tip that is compatible with soldering irons utilizing T18 900M and Weller ST series soldering tips. It features a slim head design that reaches deeper into 3D printer parts without causing surface damage, ensuring a seamless and clean installation process.
- Durable and Corrosion-Resistant: Crafted from high-quality brass, our threaded inserts offer optimal corrosion resistance and thermal conductivity, ensuring exceptional durability and resistance to breaking or deformation.
8.7Very Good
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9
Pengxiaomei400Pcs Threaded Inserts Heat Set Insert M2 M2.5 M3 M4 M5 M6 Metric Knurled Nuts Assortment Kit Brass Threaded Inserts for Plastic and 3D Printing Components
Main highlights- Widely Application: Metric knurled nuts assortment kit can be embedded in a wide range of plastics, whether you're reinforcing 3D printed parts or assembling plastic components, this assortment gives you a wide variety of threaded inserts to choose from. Various sizes ensure compatibility with different bore and thread sizes, enabling a variety of applications.
- Package Included: These threaded inserts assortment kit is available in 18 sizes, including M2 M2.5 M3 M4 M5 M6 female knurled nuts in different size, 400pcs in total,And comes with a small tweezers.
- Easy to use: This heat-setting insertion tool can be installed into blind or through holes of objects using ultrasonic waves or heat. The design of the spiral knurled nut provides high tightening torque and is not easy to fall off when rotated. It can be firmly fixed on the pressure components, and the operation is simple and quick.
- Durable Brass: Knurled nuts with internal threads are made of sturdy brass, which are strong will not rust, they can be used for long time.
- Divided Boxes with Labels: These brass threaded insert comes in a labeled divider box with all components clearly and orderly labeled on the inner and outer lids for easy storage and finding, avoiding parts clutter, And comes with bubble wrap to ensure the box won't break.
8.6Very Good
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10
ShineNowShineNow M2 M2.5 M3 Heat Set Inserts for Plastic Threaded Brass Insert Nuts for 3D Printing 170pcs
Main highlights- 【Various Sizes to choose from】This is a 170ps assortment kit which include M2*3*3—20PCS,M2*4*3.2—PCS,M2.5*3*3.5—20PCS,M2.5*6*4—20PCS,M3*3*4.2—20PCS,M3*4*4.5—20PCS,M3*5*4.5—20PCS,M3*5.7*4.6—30PCS,total 8 sizes of M2 and M3 to meet most of your needs.
- 【Precise and exquisite】These inserts are made under strict standards, precise and exquisite, the thread is smooth and clean, knurl is deep and the whole piece is polished and shiny
- 【Made of H62 Hard Brass】These heat set inserts are made of H62 High quality material, hard ,durable and corrosion-resisted at the same time ensures good thermal conductivity.
- 【EASY TO USE】The bottom end of these inserts are tapered shape, so it is very easy to put it in place before inserting, once set in the heat set insert in the hole, then heating up your soldering iron at around 392℉（200 ℃）if it is PLA part,wait for a few seconds till the plastic flow around the insert then push it in vertically with a minimum force then it is done.
- 【Designed for 3D printing parts and other plastic parts】 These inserts are widely used in 3D printing and other plastic parts such as PLA,PETG,ABS,PPS,PP etc., they can firmly secure two different parts together and make it look professional.
8.5Good
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