A through hole usually refers to a hole on a printed circuit board, which is used for fixed installation of connectors or interconnection between layers. A board characterized by such a hole is called a through hole printed circuit board.
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hydraulic cnc turret punching machine AMD-357 hydraulic cnc turret punching machineProduct details:● Adopts Siemens CNC special system 808D and match up digital AC servo motor to make it fast an
304 stainless steel is widely used as a kind of chromium - nickel stainless steel. As a widely used steel,its characteristic is corrosion resistance, good heat resistance, high strength in low temperature, easy to process on punching, bending and other th