Difficult Drilling Applications • WIDIA™ TOP DRILL G™ for Non-Ferrous Materials TOP DRILL G TOP DRILL G is WIDIA’s solution for difficult drilling applications. Designed specifically for non-ferrous materials, TDG can be used on challenging applications with tighter hole tolerance, inclined planes, intersecting holes, and cored holes. The design of these drills also makes them appropriate for drilling custom aluminium applications. • Next generation of GGX WIDIA-Rübig™ series. • Targeted for aluminium and non-ferrous materials. • Can be used in challenging conditions. • Good for multi-step drills. T118 widia.com