General description These M3 Thread Knurled Brass Threaded Heat Set Insert Nuts are designed for use in 3D printing applications, such as the Voron 2.4. Made from high-quality brass, they provide a reliable and durable solution for tight fastening in injection molding processes. Technical specifications Material: Brass Color: Gold Dimensions: M3x5x4 mm Package Contents: 100 pcs Measurement allowed error: +/- 1-3 cm Installation No need to counterbore or drill the boss hole as the insert has a guide pilot. Can be installed ultrasonically or by heat into a tapered bore, or molded during injection. Usage Used on injection molding for tight fastening.