Product description. YATO brand drill-tapper YT-44842 Designed for cutting precision metric threads. Used for machine and manual threading. - made of high quality HSS M2 - ground surface provides excellent precision and faster drilling speed - durable and resistant to damage and dulling - self-centering drill bits - excellent chip removal - 1/4" HEX chuck. Parameters. Material: HSS M2. Size: M5. Thread pitch [mm]: 0.8.