300pcs Threaded Inserts M2 M2.5 For M3 M4 M5,M6 Insert Nuts Brass Threaded

300pcs Threaded Inserts M2 M2.5 For M3 M4 M5,M6 Insert Nuts Brass Threaded DESCRIPTION Features: *300pcs Threaded Insert M2 M2.5 for M3 M5 M6 Insert Nut Brass Threaded Bushings Internal Thread Knurled Nuts with Plastic Box for Plastic Parts by Heat or for 3D Printer Parts *7 models and 15 sizes:(dimensions in mm) M2 x 2.5 x 3.2, M2 x 3 x 3.2, M2 x 4 x 3.2, M2.5 x 4 x 3.5, M2.5 x 5 x 3.5, for M3 x 4 x 5, for M3 x 5. x 5, MM, 3 x 6 x 5, x 4 x 6, x 6 x 6, x 8 x 6, M5 x 6 x 7, M5 x 10 x 7, M6 x 8 x 8, 1/4-20 x 12.7 x 8, 300 sheets in total. *Pure copper forging, good thermal conductivity, fully automatic manufacturing process, deep thread, uniform slope, smooth without burrs, acid and alkali resistance, strong oxidation resistance,. *Insert the threaded nut into the hole and heat the nut with a soldering iron. After heating, the threaded insert is pressed into the part. Then install the screws with the cooled nuts. Nuts can be easily inserted into plastic parts using ultrasound or a soldering iron. *Knurled nuts are designed for thermoplastics. Threaded Insert Nuts are threaded connections for injection molding, circuit board assembly, electronics and most plastic fasteners such as for PLA, PP, ABS, for PETG. Specifications: Material: Brass Number of pieces: 300 pieces Package Included: 300PCS Threaded Inserts