marble ceramic stone Bevel Bullnose router bit granite Beveling Chamfer core bit
E5 is for 5mm (3/16") thick or Hogh stone concrete travertine to do BEVEL shape bullnose. E10 is for 3/8" (10mm) Thick. E13 is for 1/2" (13mm) Thick. E20 is for 3/4" (20mm) Thick. E25 is for 1" (25mm) Thick.