Product description: Suitable for portable or stationary drilling of high-alloy steels and metals with a tensile strength up to 1100N/mm?. The no-walk tip allows for easier drilling in all surfaces (5mm and above). Cleaner, more accurate, burr-free holes through countersunk cutting edges. Three-sided shank for optimum grip in the chuck. Applications: For drilling multiple holes in stainless steel/stainless steel or other types of metal.