But, sometimes there is a better way. We're going to discuss several methods to drill and punch holes in sheet metal. Some of these methods can be used interchangeably, but this depends on the ...

Cutting metal flashing or sheet metal with tin snips need not be ... waste area is narrowed and easily bends away from the cut. Removing large areas of waste metal inside a curve before making ...

which ultimately affects the life of both punch and metal sheet. Spacing between holes also matters. It should be at least two times the sheet thickness (2T), if not more. Distance between holes ...