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Your cart is empty.These M3 brass threaded inserts are made of high-quality brass material, which is corrosion-resistant and strong. They have a precise thread size of M3, with a length of 4mm and an outer diameter of 5mm. These M3 threaded inserts can be installed into a 3D printer part by heating or ultrasonic welding. They are widely used in various applications, such as 3D printing, plastic molding, and furniture manufacturing. This pack of 120 pieces offers great support for your 3D printing projects.
Arnold Burian
Reviewed in the United States on February 1, 2025
If you like to design things in tinkercad (or the 3d software of your choice) and then print them on your 3d printer, you likely have come across the need to fasten two pieces together securely. This is much stronger than glue, and is easy to use. If you have never used these before, check out some videos on youtube. Basically, you design a hole in your printed item, and then use a soldering iron to press these into your holes. Then, fasten with matching screws. Easy peazy!
carlyle hawkyard
Reviewed in the United States on January 29, 2025
I needed these to build a case for a computer monitor for a project of my wife. They worked perfectly and the case is quality and secure so they won't spill out
John Brechbill
Reviewed in the United States on June 5, 2024
Simple little parts - just push them into your print with a soldering iron and you are good to go. For my uses, I made a hole 4.5mm in diameter. These are really useful to have around and they seem to be made well. Would definitely recommend!
Brandon B.
Reviewed in the United States on May 21, 2024
I like how organized this set is and that it comes with several different sizes. I. Still working on dialing in the settings, but basically you size the hole for a press fit, and then heat it up to push these in. Then BOOM - metal threads in your 3D printed part.Definitely makes it significantly stronger.Would recommend.
KevC
Reviewed in the United States on February 4, 2024
I originally went to a local store to purchase the item, since they claimed they had them in stock. Drove 30 minutes and they could not find them. Got home and logged onto Amazon and they were here the next day!They worked well. No instructions included so if you have not used this type of inserts a quick search on YouTube is recommended. I also ordered another set of heat-set tips for my soldering iron to use on the threaded inserts. They are not needed but makes the job a lot easier.
John Thompson
Reviewed in the United States on October 20, 2024
Did exactly as they were supposed to do. I love these things
niki petersen
Reviewed in the United States on October 15, 2024
They are as described and work great in my 3d print projects. Threads are smooth and engagement in plastic is great.
Deborah Ann Garcia
Reviewed in the United States on April 28, 2024
I was a little worried about buying something so cheap, but they work well.
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