DT120T24. Carbide Tipped Ditec 2000 Adjustable Type Scoring 120mm Dia x 24T ATB, 8 Deg, 20mm Bore, Scoring Set. Used on panel saws with separate scoring units for chip-free cuts on both sides of the material. With conical type scoring blades, the kerf width changes with depth of penetration. Used in combination with our industrial saw blades 7′ series only (#714721, etc.). Also used in combination with the DITEC series panel saw main blades. Kerf range should match the main blade.