AD-Insert ? clinch nut also known as rivet nut. Dalian Andi equipment CO.LTD products and provides multiform clinch nuts in a variety of materials. The shapes of body nuts included: knurled, plain, semihexagonal, hexagonal; the head forms of nuts included: big head(flat),thin head( countersunk head);and the materials included：aluminum, steel, stainless steel, copper and some others. It is the bestsolution that counting on ADInsert ? clinch nuts increases load bearing inmany cases.Currently, clinch nuts are widely used in automobile, aviation, railway, cold,elevator, switches, instruments, furniture, decoration ,mechanicaland electrical assembly and light industrial products.