Apr 20, 2018 · I use a Drill Doctor for my smaller drill bits and find it works OK for most bits but not some of my numbered bits and it is limited to 1/2" max. I tried sharpening the larger bits by …

Oct 14, 2015 · Does anyone know where I can find plans or a book for building a drill sharpening jig? I did some searching on this site but didn't find anything. I must not be using the right …

Jan 11, 2019 · The image above depicts the jig fitted with a 1/2" 4-facet drill bit, grinding the relief edge. The image below depicts the jig fitted with the same bit, but grinding the cutting edge. …

Mar 26, 2023 · I've been researching this subject for ages as this D bit grinder comes with a "drill sharpening" attachment and (of course) no instructions... I've been using Luc Wybo method …

Feb 10, 2021 · Does anyone know of a simple homemade jig or fixture for grinding your lathe hss tool cutters. The simpler the better.

Nov 19, 2017 · I've made a number of drill sharpening jigs, this is my final effort. I used a piece of 25mm square bar, linished it, milled a V for the drill, cut a 2mm slot down the centre for …

Oct 14, 2015 · My small bench grinder is used exclusively for drill bit sharpening. It has a simple v-groove in the rest to help maintain the proper point angle and works for a good range of drill …

Aug 26, 2023 · I made a wooden box for it and, in Chinese script, wrote 'drill sharpening jig' on top. Just to give it a bit of cred, we all know the best tools come from China, right At least …

Oct 14, 2015 · The reason for using the table is I can make a grinder that is a combination of John's drill sharpener and a Cuttermaster clone T&C grinder. In other words, it will sharpen …

Nov 22, 2020 · Jeff, this might be of some use. It's a diagram I made when I was trying to figure out drill point geometry so I could make a drill sharpener jig. You might not be not interested in …