These are solid tungsten carbide cutters for wood turning. The cutters are .472" (12mm) in diameter and feature a super sharp Negative Rake cutting edge.

For hard wood and epoxy.  Excellent cutting performance, performs like a scraper. Reduces end grain tear out in soft woods. Produces smooth surface finish that reduces your sanding time. 

Long lasting carbide can be rotated to new position for a fresh cutting edge. 

Satisfaction guaranteed or your money back. 

For those of you who are making their own turning 

tools. The center hole 4.4 mm and will accept a 3

 or 4mm screw as well as an 8-32 or 6-32 screw.