THIS IS RUKO 6.5MM HSS DRILL BIT- GREAT FOR DRILLING HOLES FOR WATER BOSSES ( M5 BOSSES)

THESE DRILL BITS ARE MADE FROM HEAVY-DUTY HIGH SPEED STEEL , ARE FULLY GROUND TWIST DRILL HAS A PRECISE CONCENTRICITY. THANKS TO THE SPLIT POINT THE DRILL HAS GOOD CENTERING PROPERTIES AND REQUIRES LITTLE PRESSURE

SKU - DRL-TD-RUKO-214065