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. This machine can punch hole on the pipe automatic. 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: