The 071M4 Threaded Insert with Brass from Tappex is designed to fit into pre-drilled holes in a variety of materials. It has a BN number of 37901 and is made of a high-quality brass material. It is designed for installation in softer materials such as plastic, wood, and foam. Its external thread, with an M4 metric thread size, is designed to accommodate machined and tapped components. It also has an 8.5mm length to provide a secure hold for the component. The insert comes with MULTISERT® technology, a patent-protected locking system that provides maximum security against loosening. It is ideal for use in a wide range of applications, from medical devices to consumer electronics.