How To Countersink Sheet Metal

You can currently place a finish sheet metal model feature and then add a non uniform thickness type feature on the geometry but it won t be represented in the flat pattern view. Choose from a variety of standard countersink options which can either be formed or machined into sheet part parts. We know it s important.

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How to countersink sheet metal.

This bit makes it easy to drill holes that make it easy to dri. Learn how to install wood screws the right way using a special drill bit called a countersink. How to countersink a hole in metal step 1. Apply pressure down on the handle of the drill and.

Aubrey cousin we do not currently support non uniform thickness type features in sheet metal just yet. Wearing your safety glasses place the arbor of the countersink bit into the chuck of the drill motor. Of the flathead woodscrew or machine screw is 3 8 the you will be using a c sink of 3 8 diameter and the depth you will cut to will be the point where the flutes meet the body of the c sink. Place the center of the countersink bit into the hole that you need to countersink.

Start the drill off at a faster speed to sink the bit cleanly then slow it down to make the countersink. Sheet metal countersink chart. Drilling the countersink hole too fast can produce tear out or make it too deep. Line up the tip of the drill bit with the mark you made earlier.

After making the first countersink hole test the screw to see how it sits. The type of countersink you should be using comes in different diameters to match the diameter of the head of the flathead screw you will be using. Machined countersinks are created with a drill press and formed countersinks are made with punch press tooling the best option depends on your project and part geometry.

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