LinkMejor Knurled Insert Nuts - 200Pcs M4 x 0.7mm Female Thread Brass Threaded Insert Embedment Nuts for 3D Printer

About this item [M4 Metric] - Thread Diameter: M4; Pitch: 0.7; Outer Dia: 5.3mm; Length: 4mm. [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. › See more product details