ATA International Product Catalogue

1574 CONTACT INFORMATION For more information please call +353 49 435 2138 or send an email to ask@atagroup.ie Stability The stability of the applications is essential for optimal tool life and hole accuracy. Guarantee the maximum stability and rigidity by checking the holding of the machine tool spindle, fixtures and workpiece. Unstable operating conditions will cause fracture of drills. Rotating tool For tool rotating applications, measure the runout with the drill loaded in the spindle and the total indicator runout (TIR) shall not exceed 0.03 mm. Coolant Recommended coolant for machining centers Recommended coolant for lathes Rotating workpiece For workpiece rotating applications, the distance between the drill point and the center of rotation of the workpiece shall not exceed 0.03 mm. ESSENTIALS OF USE AND PRECAUTIONS Max. runout 0.03mm External cooling External cooling Dry cutting Max. 0.03mm EXCHANGEABLE DRILLS 11 Index 10 9 OIL 8 7 6 5 4 3 2 1