General description This pack includes 20 M4 steel rivet nuts and a free drill bit. These rivet nuts are designed for applications where traditional tapped threads are difficult or impossible to implement. They can be anchored from one side thanks to their internal threading, allowing for fast and efficient assembly without access to the rear side of the material. Ideal for fastening thin materials, they can serve as captive nuts or rivets and are suitable for materials with a grip range under 3mm. Technical specifications Material: Galvanized steel Size: M4 Quantity: 20 rivet nuts Includes: Free drill bit Compatibility and accessories Compatible with standard drills Includes drill bit suitable for installation Installation Use the included drill bit to create a hole in the material Insert the rivet nut into the hole Use a rivet nut tool or compatible drill attachment to tighten and secure the rivet nut from one side Usage Suitable for fastening thin materials with a grip range under