For over 45 years, Castelar has been sharpening cutting tools to like-new condition. Our decades of experience allows us to get as many regrinds as possible on your cutters, guaranteeing you the best return on investment for your tooling costs.


We offer tool sharpening for most kinds of round cutting tools, whether they're HSS, carbide tipped, or solid carbide. We can even sharpen a select few styles of inserts. Our supported list of cutting tools include:

  • End mills
  • Milling Cutters
  • Thread Mills
  • Drills
  • Gun Drills
  • Spade Drills
  • Reamers
  • Taps
  • Gear Hobs (Up to 6"Ø)