Use a dremel for 1/2 inch or lower drill bits to avoid a long duration sharpening them.
How to sharpen forstner bits with dremel. I had tried to sharpen a forstner bit before, but i used a mototool (dremel) with a round grinding stone and flat cutting disk, and pretty much butchered the bit with this combination. One of the benefits of using a dremel rotary tool is the ability to sharpen knives with it. If it is not sharp, it is going to cut less efficiently, and scorch the wood.
Just to show the basics: Start by placing the dremel on a steady table to ensure that it does not move at any point during the drilling. Choose your file, found for rims.
A forstner bit has exactly the same sharpening problems that a good old auger bit has. This video explains how to sharpen your forstner bit. In order to do this, you need to adjust the speed of.
Hone the bevel on the edge. Www.scrollsawvideo.comwatch how easy it is to sharpen garden tools with the dremel rotary tool with accessory # 675. At the drill's lowest speed, lightly hone the interior of the rim taking care to match.
Every time you use your forstner bit to drill a hole, it should be sharp. To sharpen i use a rotary tool such as a dremel or pictured is a black and decker one. Using a wooden support and sandpaper (since i don't have dremel) you should sharpen the two cutting edges (in red) and the bevel of the circumference.
A flat disk or a round stone substitutes the barrel fitting that sharpens your drill bit. For a forstner the process is essentially this: For proper sharpening of your bits, follow the simple steps below: