... gun handle. Used for riveting,sealing,spot weld. Non contaminating Product Name: Portable ultrasonic spot welding machineIt is primarly used for ... be used to insert ,stake,stud weld,degate,and spot weld thernoplastics as well as seal,slit,and laminate thermoplastic ... )the material of welding head will be titanium alloy,alunimium alloy,steel. KCH-1028 ultrasonic spot welder have earned the certificate ...