Dewalt HSS-G 13 Piece Drill Bit Set

Coming into a 13 piece set, these metal drill bits feature a milled shaft and are made by high-performance, high-speed steel (HSS) manufactured to DIN 33 for longer life. Drills above 13mm (1/2) have a shank reduced to 12.7mm. For use in alloyed and unalloyed steels up to 900N/mm2 steel cast steel, grey cast-iron, sphericalgraphite cast iron, sintered iron, nickel, brass, etc. Precision ground twist for rapid drilling, long life and excellent concentricity. 5 Pack · · · Suitable for portable or stationary drilling in steel cast steel, alloyed and non-alloyed material, grey cast-iron, spherical-granite cast iron, sintered iron, nickel, brass etc up to 900N/mm · · Special steel made from high-performance, high-speed steel manufactured to DIN 33 for longer life · · Precision ground twist for rapid drilling, long life and excellent concentricity · · For use in alloyed and unalloyed steels up to 900N/mm2 steel cast steel, grey cast-iron, sphericalgraphite cast iron, sintered iron, nickel, brass, etc. Precision ground twist for rapid drilling, long life and excellent concentricity · · Contains 1 of each, of the following sizes: 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, & 6.5mm