This precision pilot drill features a 6.35mm diameter for accurate hole starting. The high-speed steel construction withstands high-temperature drilling. The split point geometry eliminates the need for center punching. The bright finish reduces friction and heat buildup. The 3/8" reduced shank fits most drill chucks securely. The parabolic flute design enhances chip evacuation. Ideal for drilling hardened steels and alloys. The precision-ground cutting edges ensure clean hole walls. The balanced design reduces operator fatigue during extended use. Individually packaged to prevent damage during shipping and storage. A reliable tool for machinists, fabricators, and maintenance professionals.