ShineNow M2 M2.5 M3 Heat Set Inserts for 3D Printing Threaded Brass Insert Knurled Nuts for Plastic 170pcs M2 M2.5 M3 Kit 170 sold2024 Acorn nut are hex nuts

Acorn nut are hex nuts with a domed top to cover the end of the bolt tip so to protect the thread and provides a finished appearance

and good cutting retention

and overall performance

24" Total diameter: 31

Magnifying Glass with 12 LED Lights

ShineNow M2 M2.5 M3 Heat Set Inserts for 3D Printing Threaded Brass Insert Knurled Nuts for Plastic 170pcs M2 M2.5 M3 Kit 170 sold2024 Acorn nut are hex nutsShineNow M2 M2. 5 M3 Heat Set Inserts for 3D Printing Threaded Brass Insert Knurled Nuts for Plastic 170pcs Product informationThese threaded brass heat set inserts are very helpful when you need to add threads to plastic molds or 3D printed parts, these inserts featured a tapered end which made it much easier to insert it into the plastic parts, just heating up your soldering iron at around 392 200 ,wait for a few seconds till the plastic flow around