Gueenky 480PCS Threaded Inserts 3D Printer, M2 M2.5 M3 M4 M5 M6 Knurled Brass Heat for Printer Plastic Parts

【High-quality Materials】Female knurled threaded inserts are made of high quality brass with high hardness and wear resistance, oxidation resistance, strong corrosion resistance and long service life. 【Perfect Knurling and Threading】The surface of the embedment nut has a straight knurling and the internal high-precision threads allow the nut to fit tightly into the mounting object, and form a certain frictional force and biting force, which can be fixed to prevent falling off. 【20 Different sizes】M2:3x3.5mm/4x3.5mm/6x3.5mm/8x3.5mm/10x3.5mm;M2.5: 4x3.5mm/6x3.5mm;M3:4x5mm/6x5mm/8x5mm/10x5mm;M4:4x6mm/6x6mm/8x6mm/10x6mm;M5:6x7mm/8x7mm/10x7mm; M6:10x8mm/12.7x8mm. Different sizes of brass thread inserts to meet a variety of needs. 【Easy to Store and Carry】480pcs round brass thread insert nuts assortment have 20 different sizes, and equipped with plastic boxes that you can classify each size in different grid, no mess and easy to find. 【Widely Application】Knurled injection brass nut is widely used on the injection molding pre-embedding and other processing techniques for tightly engage, play a role in connection, locking, and fastening.