Flat Steel Punching Tapping Machine This machine is designed for flat iron punching and thread tapping in one pass. It processes carbon steel and galvanized strip with stable hydraulic power, high precision hole and thread. Widely used for stove ring, hardware bracket production. Technical Parameters Item Details Product Name Servo 4-axis Forming Machine Specification Manufactured per customer drawings Coiling Diameter Tolerance Within ±0.5mm Coiling Diameter Range As