SS100T20. Carbide Tipped Conical Type Scoring 100mm Dia x 20T ATB, 8 Deg, 20mm Bore, Scoring Set. This conical-type scoring blade is similar to the DITEC scoring blade, but features our standard carbide tips. Match the kerf width of your main blade by adjusting the scoring blade’s cutting depth. Range typically is 1mm (for example, from 4.4mm to 5.4mm). Select a scoring blade with a range matching your main blade’s kerf width. Use in combination only with our 7′ series industrial saw blades (#714721, 716961, etc.). Use also in combination with the new DITEC panel saw blades.