threaded inserts nut rivet 1,products by cnc lathe 2.material: steel,brass, ... delivery 4. free sample,knurled name of commodity: threaded inserts nut rivetproducts material: carbon steel ,stainless steel,annealed wire,fast cutting ... lead time: within 7 days MOQ: 50000 pcs Threaded inserts nut rivet for ultrasonic or thermal assembly