Where to buy spring loaded diamond engraving bits with high precision?

Well… title says it all :wink:

Drag bit engraver are also of interest for simple projects

Suggestions?
Links are also much appreciated.

I found one on eBay. Guy out of New Jersey

Link?

this kind of drag engraver? http://www.vicious1.com/product/drag-knife-vinyl-cutter/

thats a blade holder for a vinyl cutter

yes. wrong tool entirely. you want a drag engraver, not a drag knife. Appologies for my confusion

http://pages.ebay.com/link/?nav=item.view&id=191978787058&alt=web… It’s been a while since I ordered mine but here is one similar

There are a couple listed at: http://www.shapeoko.com/wiki/index.php/Endmills#Engraving notably:

http://www.2linc.com/spring_loaded_engraving_tool.htm