Hay fellow engraver's I get my carbides from a place called Centennial Carbides in I and believe 4 grades, almost any length, diameter with shipping, is VERY reasonable, try them........ I think you'll like them.
It's kinda amusing what folks on here choose to save money on...
Buying diamond polishing grit off ebay is a great idea, but buying generic (drill rod) graver blanks are not?
I guess on my dad's side there was some Scotch blood. I buy both - if they do the same job for a quarter of the retail price.
Brian
I buy them from a Turkish manufacturer in my country.