The INTERVIS self-tapping socket, also known as the self-tapping threaded insert and brand name, is a metal fastener with internal and external threads. What distinguishes the self-tapping bush from other fasteners is its slot in addition to the threads.
The self-tapping sleeve (INTERVIS® brand) is a metal sleeve with a standardized internal thread and an appropriate external thread. Its base features an external thread truncation and a slot with cutting edges. The Intervis threaded insert is screwed directly into a pre-drilled smooth hole. The Intervis® threaded insert acts like a tap, threading itself into the hole. This type of fastening is ideal for use in medium-hard materials, such as light alloys, compressed wood and plastics.
Self-tapping sockets - Intervis