Dormer Pramet A110 22.00 mm HSS ST STRAIGHT SHANK LONG SERIES DRILL DIN 340Dormer Pramet A110 22. 00 mm HSS ST Straight Shank Long Series Drill (DIN 340) is precision engineered for serious hole making tasks, delivering reliable performance from the first cut to the last. This long series drill is built to reach where shorter bits cant, making it a staple for deep hole drilling in a wide range of materials. 118 conventional point for a strong, self centering start that bites quickly and resists wandering. The geometry is