No need for specialty burs...make yourself a small sharpening jig like below. Grind four flats on an old carbide bur (no need to use a new one), you'll end up with a tiny tapered pyramid on the business end of the bur. They're delicate, so use gently. You can sharpen right down to a zero tip if...
You might also try placing a square of RV friction shelf covering between the ball and the tire. That’s the stuff RVers use to line the shelves of cabinets…it’s high-friction stuff that keeps cabinet contents from shifting while driving.
CNC mill the basic dials, then clean up and embellish with hand engraving. I use this technique quite often.
Of course, there’s a significant learning curve to be successful with a CNC mill. People often seem to think you just download some model off the internet, then plug-and-play. You might...
Here’s a link to a tutorial about making woodcarving chisels and gouges using Lindsay sharpening templates: https://www.engravingforum.com/showthread.php?t=9056
i recommend Ray Cover’s classes. He has all of the Airgraver brands for you to try and provides excellent comprehensive instruction. Looks like he has a class coming up in October.
http://learningtoengrave.com/
Also, Sam Alfaro apparently offers individual instruction in his studio near New...
Would you like to learn how to engrave elegant trout flies for your own artwork? Check out Tom’s new eBook Engraving a Classic Adams Trout Fly. Download for the princely sum of $2.99!
Engraving a Classic Adams Trout Fly is intended for experienced intermediate or advanced skill engravers. These...
If they are of the size that fits in your pneumatic graver, then use that. You’ll need high power settings.
You'll need to use the microscope for good placement.
There‘s a reason the punches are so inexpensive...they are expendable items. They’ll last a fairly long time in soft metals, less...
There’s a much easier and foolproof method to create complex Celtic knot work. Squares, rectangles, circles, oddball shapes, all easily done, all turnings and crossings just fall into place automatically.
Above is an animated gif that demonstrates the basic methodology.
I’ve written a 231...
I just finished this, and it's titanium.
Not certain what grade it is, it seemed a little softer than Grade 5. As with all tough metals, the biggest thing that matters is your skill with graver technique. Check out my website, instagram and facebook for lots of things engraved in titanium...
CRKT Squid or Pilar in stainless steel...about $30
Spyderco Byrd series knives in stainless steel...about $30
https://www.bladehq.com/item--CRKT-Burnley-Squid-Frame-Lock-Knife--27254
https://www.bladehq.com/item--CRKT-Pilar-Frame-Lock-Knife--51848...