Drilling Round Holes In Sheet Metal

Super easy tip in this video we show you how to drill a hole for a carriage bolt.

Drilling round holes in sheet metal.

Saved by anatoliy tsymbalyuk. Create a paper pattern of the size and shape of hole you wish to cut. Do this till you get your required hole size. Sheet metal drills a pdf drilling holes in thin sheetmetal have you ever tried to drill holes in thin sheet metal using standard drills and.

The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal. When drilling or punching a hole in sheet metal you more or less cut out the entire hole at once. At first start by drilling a small diameter pilot hole. Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker.

Measure from the edges of the sheet metal to the point at which you wish to place the hole. Drilling round holes in sheet metal. The holes are done either in a drill press and with a hand drill. For clean precise holes in thin sheet metal make a wood sandwich.

Drilling round holes in sheet metal i ve been working on a project that has included drilling lots of holes in sheet metal. How to drill a square hole. Style because once you have a perfectly round hole it is easier to open it slightly with a standard drill or tapered reamer rather than grind up a new diameter. Then gradually start drilling larger holes.

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. Everything from 20 in 18 gage to 1 4 3 8 in 16 gage and up to 9 16 in 11 gage. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. This is the most straightforward option for drilling a round hole in sheet metals.