Check the listing for details. 80Pcs Hex Threaded Inserts, M4-0.7x10 Zinc Alloy Hex-Flush Thread Insert. Condition: New. Listed at 10.81 USD. Description:1. Material: Our thread inserts are made of zinc alloy, with fine workmanship, strong wear resistance, corrosion resistance, high strength, not easy to rust, and long service life.< br>2. Design: Hexagonal flange thread inserts, are convenient for us to install and remove with a hexagonal wrench or wrench. Our nut inserts can effectively fix parts, prevent items from loosening or falling off, and improve the stability of its overall structure ; the thread size is standard, the thread is clear, not easy to slip, and it is convenient to repair and adjust the equipment.3. Easy To Use: Easy to install and adjust, just drill an appropriately sized hole and install using a hex wrench or optional drive tool.4. Wide Application: The nut-threaded inserts can be used to connect and fix various parts.