How To Make Large Holes In Sheet Metal

You ll need to start by securing your metal sheet in place before.

How to make large holes in sheet metal.

Use a center punch to make a small dent in the surface of the metal to prevent the drill bit from sliding away when starting to drill. How to drill a hole in metal with a rotary drill kit this process is just like piercing a hole in metal. Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel. In the second part of the video i will show you how to make the hole to.

For large holes a hole saw gets the job done cleanly and quickly. In response to a question about h. First mark the exact position of the holes and install the piece in a vice. Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface.

Step bits can be used to make even larger holes typically 1 3 8 inch wide or smaller in sheet metal but do require pilot holes. Drilling large holes in metal can be difficult as many lager drill bits use taper shanks which will not fit in regular drill chucks. How to use chisels instead of files to cut a share hole for carriage bolts. Typically the hole is large and the sheet metal won t fit on my cnc milling machine so i m left flailing.

Hole saws work well and. In this video i want to show you how make a hole for switch to the thin sheet metal. With this tool you stick an endmill in a die grinder put the grinder in the little fixture so it can pivot drill yourself a pilot hole for the pivot and away you go. It is common practice to use a self starting step bit to form the.

Use a piece of scrap wood to prevent the sheet from bending when working on it.