Package Included: These threaded inserts assortment kit is available in 18 sizes, including M2 M2.5 M3 M4 M5 M6 female knurled nuts in different size, 400pcs in total,And comes with a small tweezers.
Durable Brass Material: Knurled nuts with internal threads are made of sturdy brass, which are strong will not rust, they can be used for long time.
Divided Boxes with Labels: These brass threaded insert comes in a labeled divider box with all components clearly and orderly labeled on the inner and outer lids for easy storage and finding, avoiding parts clutter, And comes with bubble wrap to ensure the box won't break.
Easy to Use: This heat set insert tool can be installed into the tapered hole of the object through ultrasonic waves or heating. Due to the deep and neat threads, it is not easy to come off when rotating and used. It can be firmly fixed in the pressure component, and the operation is simple and quick.
Widely Application: Metric knurled nuts assortment kit can be embedded in a wide range of plastics, whether you're reinforcing 3D printed parts or assembling plastic components, this assortment gives you a wide variety of threaded inserts to choose from. Various sizes ensure compatibility with different bore and thread sizes, enabling a variety of applications.