контактная приварка болтов
kontaktkeevituse protsess/operatsioon tihvtide, poltide jms liitmiseks plaadiga neid läbiva elektrivoolu ja surve rakendamise abil (vt vastakkeevitus), a resistance welding process that produces coalescence of metals by heating them with heat obtained from resistance to the flow of welding current through a stud, or similar part, and the other workpiece; when the surfaces to be joined are properly heated, they are brought together under pressure (see: stud welding)