So far it was described that the Threaded Inserts TAPPEX 2016 are used to make holes or inserts in soft and hard materials. Does that include plastics too? Yes, of course but in a different way. Let the results and requirements be anything, it is important to use the correct tool and technique to achieve the desired results. Plastics are of two types- thermo plastics and thermo set plastics. Both of them differ in their features and qualities. So it is important to use a different method of making inserts in each of them. In case of the former, where no chemical changes happen, it is better to use the ultrasonic threads and in the latter, where there happens a chemical change, it is advisable to go for press-in threads.