Threading machines, semi-automatic, metalworking, Machinery and equipment for metalworking, Metals, Machinery & Engineering, Presses, mechanical, friction screw, for metals, Impact and explosion welding machinery and equipment, Thread cutting machines for taps and dies, metalworking, Metal presses, mechanical, Welding presses, pneumatic, for metals, Cutting-off machines, abrasive disc, for metals, Metal sawing and cutting-off machines