Drilling Round Holes In Sheet Metal

How to drill a square hole.

Drilling round holes in sheet metal.

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. Super easy tip in this video we show you how to drill a hole for a carriage bolt. For clean precise holes in thin sheet metal make a wood sandwich.

When cutting out a circle one or sometimes two cutting tools are rotated about a center point to. Saved by anatoliy tsymbalyuk. Everything from 20 in 18 gage to 1 4 3 8 in 16 gage and up t. 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.

Do this till you get your required hole size. This is the most straightforward option for drilling a round hole in sheet metals. At first start by drilling a small diameter pilot hole. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.

Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker. Create a paper pattern of the size and shape of hole you wish to cut. 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. 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. Everything from 20 in 18 gage to 1 4 3 8 in 16 gage and up to 9 16 in 11 gage. When drilling or punching a hole in sheet metal you more or less cut out the entire hole at once. Drilling round holes in sheet metal i ve been working on a project that has included drilling lots of holes in sheet metal.