330 Pieces Brass Threaded Insert Embedding Nuts Kit with Transparent Plastic Box Knurled Nuts Set for 3D Printing, Nuts

• Quality brass: the nut set is made of high-quality brass, which is not easy to rust in damp environments, has strong oxidation resistance and has a long service life.
• High hardness: the screws are evenly loaded and cannot slip easily during the installation process, saving installation time.
• Smooth without burrs: the of the knurled nut M2, M3, M4, M5 is smooth, burr-free and
• Easy to use: all brass nuts and nuts are housed in a transparent box for easy carrying. There are 15 different types of insert nuts to meet your different requirements.
• Use: the main purpose of the copper insert is to inject the product into some plastic parts. After installation, an effective internal thread may form in the plastic part. The working method is to embed the product into a plastic part after heating or to use an injection mould.

Specification: Material: Brass Insert nut size: M2 x 4 x 3.2, M2 x 6 x 3.2, M2 x 8 x 3.2, M2 x 10 x 3.2, M3 x 4 x 4.2, M3 x 6 x 4.2, M3 x 8 x 4.2, M3 x 10 x 4.2, M3 4 x 4 cm. * 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 contents: 30 x brass knurled nuts M2 x 4 x 3.2. 30 x brass knurled nuts M2 x 6 x 3.2. 30 x brass knurled nuts M2 x 8 x 3.2. 20 x brass knurled nuts M2 x 10 x 3.2. 30 x brass knurled nuts M3 x 4 x 4.2. 30 x brass knurled nuts M3 x 6 x 4.2. 20 x brass knurled nuts M3 x 8 x 4.2. 20 x brass knurled nuts M3 x 10 x 4.2. 30 x brass knurled nuts M4 x 4 x 5.2. 20 x brass knurled nuts M4 x 6 x 5.2. 20 x brass knurled nuts M4 x 8 x 5.2. 15 x brass knurled nuts M4 x 10 x 5.2. 15 x brass knurled nuts M5 x 6 x 6.3. 10 x brass knurled nuts M5 x 8 x 6.3. 10 x brass knurled nuts M5 x 10 x 6.3. Note: For example: M2 x 4 x 3.2, 2 inner diameter; 4 length; 3.2 outer diameter. Actual product colour may vary a little from the photo depending on your monitor settings. There may be slight differences in the measurement of the product.