Twist drills with straight shank. Powerful ground drill, turned 118° with split 3-facet on the shaft, for better form fit, providing optimum power transmission. High concentricity. Very good right hand cutting capacity, long product life. All drills with uniform length for optimised use in pillar drills for normal drilling work in conventional materials, use: for alloyed and unalloyed steel and cast steel, cast iron, malleable iron, sintered iron, ductile iron, graphite, bronze, ductile brass, aluminium short-chipping. Packaging: Single-SB