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Create your design with holes or pre-drill holes for where the insert is going to be placed. These holes need to be a little smaller than the outer diameter of the insert and about 10-15% deeper than the length of the insert so that plastic will melt, deform, and mold around the insert properly. You may need to experiment with your 3D printer as some are not very accurate and the inserts themselves can have different outer diameters even if they are the same thread size.
The hotter the iron, the faster the melt will happen. This may be desirable in a production environment. If you are a beginner, set the temperature right at the melting temperature of the plastic you're using or the extrusion temperature of your 3D printer.
ABS - between 490 and 700 F (255-371C)
PLA - 356F to 428F (180 - 220 C)
If the plastic begins to smoke, lower the temperature. If no melt happens or too much pressure is required, raise temperature. Even plastics within the same type may have slightly different melting properties and you may have to experiment a bit.
Our heat set insert tips are strategically designed to be long and slim to help reach the tightest corners of 3D printed and injection molded parts.
Each set includes an assortment of the most popular sizes to help you install inserts in your 3D printed and injection molded projects to increase their strength and to repeatedly reassemble parts.
Virtjoule pioneered the heat-set insert tip market for 3D printers by bringing originally designed long and slender tips that can install inserts into tight and deep corners of 3D-printed and injection-molded parts. We serve hobbyists, engineers, designers, artists, scientists, and more.
Heat Set Insert Tips
These carefully crafted soldering iron tips are designed for 3D printing and injection molding projects. Our manufacturing process creates a very smooth and deburred finish so the tip reliably releases from the heat-set insert. After the lathe, the tips are cleaned and placed into wet and dry tumblers for up to 12 hours to create the smoothest finish possible.
- Optimized for tight corners and detailed spaces
- Repeatable assembly and disassembly
- M2, M2.5, M3, M4, and M5 tips include a compact tip cradle
- M3 and M2.5 threaded inserts available in packs of 30
Why use a specific size of tip?
It's important to pair the correct size of the tip with the size of the insert you are using. If the tip is too small for the insert, plastic will come back up inside the threads making it very difficult to turn your screw into the insert. Many times your part can be ruined because it's difficult to replace an insert if the surrounding plastic is deformed. We created these specific sizes because they are some of the most popular sizes and they are precision machined to be exactly fitted with just enough clearance that they don't pull the insert back out, but not so much clearance that plastic comes inside the threads. The right tool for this job requires the right size tip and this set has the most popular metric sizes.
justin amyx
Reviewed in the United States on February 21, 2025
These babies work really well. A whole new experience over using just my old soldering iron to set inserts. Great product.
bodgit
Reviewed in the United Kingdom on February 16, 2025
I purchased these a while ago and just used them for the first time. They fit my Hakko FX-888D soldering iron perfectly and made fitting these inserts a doddle. Highly recommended!
Mark the Consumer
Reviewed in the United States on January 22, 2025
Used these same day I got them, and they work great, I was using a screwdriver and Bic lighter and these babies make inserting threaded inserts a breeze!
Steve
Reviewed in the United States on January 10, 2025
this product makes put in heated inserts a breeze. fits my GUSATOLAS Soldering Iron Station perfectly. the size range offered makes sure you have plenty of flexibility in your designs.
sgath92
Reviewed in the United States on September 7, 2024
I bought these for brass heat inserts on 3d printed projects and a few resin cast projects. They work very well and are unlikely to ever go bad so this will hopefully be one of those "buy once" type products I'll be using for the rest of my life.
Paul D.
Reviewed in the United States on March 12, 2024
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Robert Winchester
Reviewed in Australia on December 8, 2024
Excellent product, As described, Quick Delivery
Riley R.
Reviewed in the United States on October 11, 2024
I used these to press some heat-set inserts into some wheel hubs I designed for an RC project I have been working on. In the several hubs I have pressed, I have never had issue with these tips. They work perfectly and are well worth the money to me.
jusciano de souza guimaraes
Reviewed in France on September 28, 2023
Bien
ZIP
Reviewed in Canada on July 13, 2023
Item as stated
Virgil
Reviewed in Canada on November 13, 2023
This is a well-designed product. Also, I like to support companies that design and manufacture things in North America.You swap out your soldering iron tip with one of these, put a brass insert on the end, and it heats up the insert in about 10 seconds. You then carefully push the hot insert into your 3D-printed part. Depending on the type of insert you use, you may have to experiment a bit to dial in the right hole size.One issue I had, was that when I tried to use the "M3" tip with an M3 insert, the base of the tip is slightly wider than the width of my M3 insert (1st photo). So once I pushed the insert all the way into my part, the tip touched the plastic and melted onto it. When I retracted, it pulled a bunch of molten plastic. This was a nuissance. So instead, I learned that if I use the "M2" tip for my M3 inserts, the M2 tip is narrower so it doesn't touch the plastic (2nd photo) and I can cleanly insert my inserts.
pnut
Reviewed in the United States on May 11, 2022
I bought these to use with an Aipudi digital iron I purchase on Amazon. The tips fit, but there was about 1-2mm of front and back play once I secured the iron’s cover. I fixed this by cutting small slugs from a 5/32” brass rod. I then inserted the slugs inside the tips and everything works fine.***EDIT*** I have have M2, M3, M4, M5 & M6 nuts. This kit includes tips to insert M2, M2.5, M3, M4 & M5 nuts. All the tips fit their intended nuts…. EXCEPT the M5!!! It’s slightly oversized and doesn’t fully seat inside the M5 nut. I can use it with the M6 nuts but it has a little bit of wiggle room. I’ve been using the M4 tip to insert M4 and M5 nut. The M4 tip fits the M5 nut with a little wiggle room as well.
fractalsauce
Reviewed in the United States on February 3, 2021
I'm new to heat-set inserts but I have a project that needed them so I did some looking around for them. Eventually realized that they would need to fit my random Chinese soldering iron that I also purchased from Amazon here: https://www.amazon.com/gp/product/B079VVHPPSI read through the customer questions and the seller has responded to every question so that was a good sign right off the bat. But in one of the questions, the seller listed the dimensions of the insert tips so I took my digital calipers and measured my soldering iron and it seemed to fit the dimensions of the tips so I bit the bullet and bought these not knowing for sure if they'd work or not.While they do fit my soldering iron, there's about 2-5mm of play where it jiggles in and out. The hole in the tips for the heat element just barely isn't deep enough. That's not a problem with the tips of course, that's just my random Chinese soldering iron. I completed that project I had in just a few minutes with these whereas if I were to just wing it with a regular soldering tip I could've made a mess and possibly ruined my 3d printed part that took 36 hours to print and have to start over again. So I'm really glad I snagged these.Like I said I'm new to heat-set inserts so I'm no professional, but I can tell that these are the best you're gonna get as far as quality, durability, and ease of use goes with heat-set insert tips. Plus seller communication is top notch to boot so if there were any issues, I'm sure it wouldn't be too much of a hassle to work something out.If you're looking for heat-set inserts for these particular sizes and you have one of the listed soldering irons or even the one I have, I recommend you go ahead and grab them.
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