Drill Holes In Sheet Metal

Tap your hammer to leave an indentation on the sheet metal.

Drill holes in sheet metal.

The pilot hole will help you positioning the drill bit and than just drill. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Another bit that s great for metal specifically sheet metal or thin plate metal is a step bit which is a cone shaped bit that drills a variety of hole sizes. Try a step bit step drill bits are designed to drill holes in sheet metal and other thin materials.

After you drill the hole it is possible to provide adequate corrosion protection for the drilled hole. They re just the thing when you need a perfectly sized clean hole in a steel junction box electrical service panel or even a stainless steel sink. Drilling into galvanized metal is no different than drilling a hole in standard carbon metal with the exception that the protective zinc coating does not protect the drilled hole. You start off by drilling a small diameter pilot hole and then drill gradually larger holes until you get.

To drill a round hole in thin sheet metal take a piece of cloth for example an corner of an old tea towel cut into squares an old flannel or anything you don t mind cutting into squares and throwing in the bin once you have your nice round hole. Depending on the tools you have you ll now need to punch or drill a hole where the indentation has been made to produce an accurate hole in your sheet metal. Now drill the final hole at the desired diameter with the corresponding twisted drill bit but put a cloth between the bit and the metal. Electricians commonly use them for drilling holes in metal electrical boxes and housings.