EEEEE M2 M2.5 M3 M4 M5 M6 (350pcs) Metric Threaded Inserts for Plastic Heat Set Insert Knurled Nut Insert Threaded Brass Insert Assortment Kit for 3D Printing Injection Molding Press Thread Nuts

Great item, good description

These are really quite good. I use these in small-scale production and manufacturing, and I have found them to be just as good as the name-brand expensive ones. The variety pack is really nice for prototyping and "always having it on the shelf" ready to go. The dimensions are shockingly precise, far more precise than anything you would ever need given the application. I have tired out much more expensive name-brand ones and they are no better for the extra money, but these are certainly a million times better than the standard injection molding or straight knurled inserts most of us are probably used to and hate by now Highly recommend trying these out if you have been searching for a good insert that is worth the money and will make your life easier whether you are a hobbyist or doing this for business.

Who does not need threaded inserts. You can 3D Print your own boxes and lids. Fasten them with inserts...

The storage containers alone is worth it. I have nearly purchased ALL the product from this store and it fits nicely on one shelf, perfect for prototyping different components before you commit to a large order.

Nice set, with a good range of sizes. If you use it for 3D printed parts don't forget to increase your infill or you might not get a strong grip. Used on a few projects so far and really happy with the results.

I really love how much variety this kit has and I love how everything is labeled and organized. The threads stay in place with no issue after letting the PETG cool down and the quality doesn't seem bad. Now My big issue is how inaccurate the 7.09 is across the different M6s, I've included pictures of my caliper. The only one that was decently accurate were the M6 H6 & H8 which meant they work in my 3D prints, until I used an H10 which didn't melt through properly and found out that it was just very inaccurate in size as it's 7.42mm for the guide ring. The other problem I have is that there's very few inserts for M6s, so this kit is mostly meant for tinkering and testing. I wish they sold extras for each of the sizes since since it's impossible to find some of them. Most of the ones I found are 12.7mm in length and only a place or two has 10mm ones. I've been unable to find any of the other M6 sizes anywhere.

The sizing and storage system puts this selection over the top!

The case provided with these inserts is exceptional for keeping things organized.

J'en au utilisé quelqu'un pour des impressions 3D et ils conviennent parfaitement