These are also known as Clinch nut that are designed to affix to an assembly or structure, acting as an attachment point for screws or bolts, and have a smaller hole that is deformed when nut is tightened.
Avdel (India) Pvt. Ltd was established in 1961 and is apart of a well established group of companies with interests in various business sectors including Aerospace, Aviation and Automotive and Rail amongst others. Avdel India is an AS 9120 B & ISO 9001 Certified company. With head quarters in Mumbai (India), Avdel India has regional offices in Bengaluru (the aerospace hub of the country) and sales office in Kanpur, Hyderabad and Trivandrum.