How To Countersink Sheet Metal

Wearing your safety glasses place the arbor of the countersink bit into the chuck of the drill motor.

How to countersink sheet metal.

This bit makes it easy to drill holes that make it easy to dri. After making the first countersink hole test the screw to see how it sits. How to countersink a hole in metal step 1. 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.

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. Apply pressure down on the handle of the drill and. Place the center of the countersink bit into the hole that you need to countersink. For instance if the o d.

Drilling the countersink hole too fast can produce tear out or make it too deep. Learn how to install wood screws the right way using a special drill bit called a 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.

Line up the tip of the drill bit with the mark you made earlier. 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. We know it s important.