Making your own engraving V bits?

[GT-6 Racer]

Go for the real Deckel D bit grinder. Or the licensed Alexander version from England. Far better quality than the imports. They are not that expensive at auction. I paid 500$ for mine a couple years ago. Complete set of collets and a high-quality diamond cup wheel. Makes producing engraving bits easy and quick. I regrind small broken endmills. Watch YouTube star Stefan Gotteswinter, he does some very interesting work with one of these handy little grinders.

 

[homebrewed]

Thanks, you are right, I mean Cobalt and edited my post.
The hardest HSS type without cobalt is HSS-M2.

Carbide, (the type inserts are made of) contains Cobalt, or is my translation wrong (native Dutch)
https://www.everloy-cemented-carbide.com/en/knowledge/

I read somewhere that Vanadium also is used to make cemented carbide, to avoid the problem with Cobalt -- but have yet to see anyone actually selling it.

Out of curiosity I tested some of my carbide inserts with a magnet, because cobalt is magnetic -- and, sure enough, they stuck to the magnet.

I have a home-made diamond sharpening setup that was specifically built for carbide. The low-speed wheels pass through a water bath to capture the carbide dust. The lapping disks are sold for lapidary use but work fine for carbide as well.

 

[Larry$]

I've got the Shars, knock off of the Deckel, tool & cutter grinder (Dbit grinder) . It works, the issues are with the lack of skill of the operator. I also recommend watching Stefan's, Blondihack's & Robrenz's videos on the subject. Buying the blanks already half ground saves a lot of time.