How To Make A Drill Bit Sharpening Jig

Make sure that the drill bit fits snugly in the slot.

How to make a drill bit sharpening jig. With the remaining hand grab the angle grinder. Designed to sharpen 118twist drill bits but jig can be easily modified to sharpen 135 and other angles as well. You may have seen AskWoodMans videos showing how to make a drill bit sharpening jig.

Metal Working ToolsMetal ToolsMetal WeldingMetal ProjectsWelding ProjectsCraft ProjectsCool ToolsDiy ToolsDrill Bit Sharpening. This bottom plate will also serve as a connection between the jig and bench grinder. Later on I drill a through-hole with a 10 mm drill bit.

I just spent a half an hour looking for an article I had read recently about drill bit sharpening. For this jig to sharpen drill bits I started by making the bottom plate that is mounted under the bench grinder. Use two hex bolts to create a super simple drill bit sharpening guide.

After only a few moments of grinding remove the drill bit and test against the two hex headed bolts as shown in the image. After touching up each cutting side of the drill your drill should fit squarely in the angle of the two bolt heads. Place the jig on a bench vice and make sure the drill bit is properly attached to it.

Sharpen your drill bit carefully using a bench grinder being extra careful not to be too heavy handed. Then hold the bit using your hand and use enough pressure against the hole. For this I have to drill a 10mm hole in this block.

Then place the tip of the drill bit. Insert the drill bit into the jig. It should fit right into the central groove in your jig.