This machine is used for punching holes on the pipe and plate in all kinds of metal material applied to door and window, staircase,banisters, railing, etc. Hydraulic Punching Machine Function : punch holes on the metal pipe and plate. Applicable Material: It is suitable for all kinds of metal press such as Stainless Steel, Iron ,Aluminum, Copper. Application: stainless steel door and window, aluminium window, staircase,banisters, railing, etc. Shape of Punch Holes: round, square, rectangular, oval, plum-type etc. MZ-YY12-4-380 Superiority: 1.A 12-operating position, functional equivalent of 12 general punching machine. 2. Saving 60% electricity. 3. Efficiency 3 times faster than the general one. 4. The volume just 1/8 of the old one. 5. Unique design of safety, security, ensure no industrial injury accident. 6. The fast loading and unloading Punch Mold can improve work efficiency over 50% 7. Intelligent switching system, when no one operation can automatically shut down power. We design and manufacturing the punching molds according the hole's specification,so the customer should send us the following tube's specification details:Tube's material and Outside Diameter,Wall Thickness,the hole's shape and size .-THIS IS VERY IMPORTANT! Here is the effect picture of pipe after punching holes: Here is the picture of moulds or tools for punching hole on the pipe: Here is the pictue of electric cabinet: