3D printing enthusiasts and makers, these brass threaded inserts are game-changers for adding strong, reusable threads to your prints. The M3 x 0.5mm size is super common, so you'll find plenty of uses for them. Each insert measures about 5.7mm long by 4.6mm in diameter, with knurled exterior that grips the plastic securely once installed. The brass material conducts heat well, which is important for the heat-set installation method. I've been using these with my 3D printer projects, and they create much stronger threads than just tapping directly into plastic. Installation is simple with a soldering iron - heat the insert, press it into a slightly undersized hole in your print, and the plastic flows around the knurling as it cools, locking it in place. The result is professional-looking threaded connections that can handle repeated assembly and disassembly without stripping. The 100-piece quantity is perfect since you'll use these frequently once you start incorporating them into your designs. I've used them for everything from drone frames to custom electronics enclosures, and they've held up perfectly. Much better than using self-tapping screws that can crack your prints over time. The quality is consistent across all the inserts in the package, with clean threads and no manufacturing defects. Definitely essential supplies if you're serious about making durable, functional 3D printed parts.
Free 30-day returns 
Free 30-day returns
