Unique Bargains Knurled Insert Nuts - 100pcs M6 x 12mm Length x 8.5mm OD Female Thread Brass Threaded Insert Embedment Nut for 3D Printer

[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.