M5 x 16mm (L) x 7mm (OD) Brass Knurled Threaded Insert Embedment Nuts, 50 X 12pcs are comfortable for handling and

are comfortable for handling and long-term use

wooden board

2pcs x 4mm Straight Connector

Durible Material - All-aluminum rivet body and rivet mandrel

M5 x 16mm (L) x 7mm (OD) Brass Knurled Threaded Insert Embedment Nuts, 50 X 12pcs are comfortable for handling andDescriptions: 1. Made of brass material, high hardness and durable. Provides good mechanical properties with increased corrosion and heat resistance 2. The knurled insert nut has a guide, so no countersink is required. The surface is smooth, firm and even, and easy to install. 3. It can be installed into a plastic matrix by ultrasound or heat during the injection molding process. 4. Can be widely used in 3D printing injection molding to achieve tight