Description:

[Size] - Thread Size: M4; Pitch: 0.7mm; Length: 4mm / 0.16"; Outer Diameter: 5mm / 0.2"; Package Content: 80 Pcs x Knurled Insert Nuts. [Material] - Made of brass material, high hardness and durable. Provides good mechanical properties with increased corrosion and heat resistance. [Feature] - It can be installed into a plastic matrix by ultrasound or heat during the injection molding process.. [Easy to Install] - The knurled insert nut has a guide, so no countersink is required. The surface is smooth, firm and even, and easy to install.. [Application] - Can be widely used in 3D printing injection molding to achieve tight fixation..