314Pcs Threaded Insert for Plastic, BTREEFLO M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Brass Heat Set Insert Embedment Nut Assortment Kit for 3D Printing Injection Molding

Total 314pcs.25 x M2*2*3.2, 25 x M2*4*3.2, 25 x M2*6*3.2, 25 x M2.5*2.5*3.5, 25 x M2.5*4*3.5, 25 x M2.5*6*3.5,16 x M3*4*4.2, 16 x M3*6*4.2,16 x M3*8*4.2, 16 x M3*10*4.2, 16 x M4*4*6, 16 x M4*6*6, 16 x M4*8*6, 16 x M4*10*6, 7 x M5*6*7, 7 x M5*8*7, 7 x M5*10*7, 5 x M6*6*8, 5 x M6*8*8, 5 x M6*10*8.

Easy to Install - These 3D Printing Brass Nuts can easily installed into the threaded tapered holes of 3D printers by heating, or molded during injection molding.