280Pcs Brass Knurled Nut Threaded Insert Embedment Fasteners M2 M2.5 M3 Assortment Kit

1、These knurled nuts are made of excellent brass, with high hardness, not easy to deform and corrode. 2、These brass insert nuts can be installed into threaded tapered holes by heating or molded during the injection process. 3、These knurled nut inserts have guides for easy installation and do not need to use countersinks. 4、With 3 different specifications of M2, M2.5, M3, with isolated plastic storage box, easy to distinguish the size. 5、Suitable for fastening injection molding, widely used in mobile phones, notebook computers, electronic products and toys, etc.