Drill Holes In Sheet Metal

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.

Drill holes in sheet metal.

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. After you drill the hole it is possible to provide adequate corrosion protection for the drilled hole. The pilot hole will help you positioning the drill bit and than just drill. Electricians commonly use them for drilling holes in metal electrical boxes and housings.

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. Drilling a hole in sheet metal with a twist drill is a rather straightforward operation. 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. This can cause corrosion rust to form in and around the hole.

Try a step bit step drill bits are designed to drill holes in sheet metal and other thin materials. 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. Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design.