Product Introduce: 100PCS Threaded Inserts (M2.5x3.5x4mm Metric Brass Knurled Nuts); Sufficient quantity can meet your daily needs for using 3D printers.
Product Features: These nut inserts are made of brass, wear resistance, corrosion resistance, strong oxidation resistance, good thermal conductivity. The reverse spiral knurled nut ensures a high balance between tightening and loosening, this makes the insertion more stable.
Wide Application: These brass inserts can be inserted into various plastic parts, for PC, PA, PLA, ABS, PPS, etc. These heat set inserts are also suitable for 3D printing components, electrical molding machines, car plastic casings, etc.
Easy To Install: The external knurling design prevents it from falling off when rotating. So that it can be more firmly fixed on the pressure components. Brass threaded inserts can be easily inserted into holes by heating, ultrasound or injection molding.