Features Brass Material:The female thread brass knurled threaded insert is made of high-quality brass with good oxidation resistance, corrosion resistance and long service life. Fine Workmanship: The product is exquisite in workmanship and clear in threads.Smooth surface with no burr, standard circular, firm and uniform, easy to install. We meet all your needs. Assortment kit or one specific size, Knurled Thread Insert: Deep thread, neat and clean, not easy to strip during rotation, stable and reliable. Convenient operation, good texture, greatly improve your work efficiency Insert Nut Size:: 15 different types of insert nut meet your different needs. M2*4*3.2, M2*6*3.2, M2*8*3.2, M2*10*3.2, M3*4*4.2, M3*6*4.2, M3*8*4.2, M3*10*4.2, M4*4*5.2, M4*6*5.2, M4*8*5.2, M4*10*5.2, M5*6*6.3, M5*8*6.3, M5*10*6.3 Widely Used: Products are widely used in various types of electrical equipment production or maintenance fields. Specification: Material: Brass Insert nut size: M2*4*3.2, M2*6*3.2, M2*8*3.2, M2*10*3.2, M3*4*4.2, M3*6*4.2, M3*8*4.2, M3*10*4.2, M4*4*5.2, M4*6*5.2, M4*8*5.2, M4*10*5.2, M5*6*6.3, M5*8*6.3, M5*10*6.3 Package list: 30 * Brass knured nut M2*4*3.2 30 * Brass knured nut M2*6*3.2 30 * Brass knured nut M2*8*3.2 20 * Brass knured nut M2*10*3.2 30 * Brass knured nut M3*4*4.2 30 * Brass knured nut M3*6*4.2 20 * Brass knured nut M3*8*4.2 20 * Brass knured nut M3*10*4.2 30 * Brass knured nut M4*4*5.2 20 * Brass knured nut M4*6*5.2 20 * Brass knured nut M4*8*5.2 15 * Brass knured nut M4*10*5.2 15 * Brass knured nut M5*6*6.3 10 * Brass knured nut M5*8*6.3 10 * Brass knured nut M5*10*6.3 Note: For example: M2*4*3.2, 2-inner diameter; 4-length; 3.2-external diameter The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Package List