Dormer Pramet A110 3.25 mm HSS ST STRAIGHT SHANK LONG SERIES DRILL DIN 340Meet the Dormer Pramet A110 3. 25 mm HSS Straight Shank Long Series Drill (DIN 340) a precision drilling solution built to perform in demanding metalworking tasks. Designed for reliability from the first touch to the last hole, this drill combines a robust cutting geometry with a long reach that expands what you can access in tight spaces and deep pockets. 118 conventional point: Creates a strong, self centering start that resists wandering and