The Dormer Drill Bit is a jobber length drill with straight shank. It has diameter of 6.8 mm with an overall length of 109 mm and flute length of 69 mm according to DIN 338 standard. This drill has 120 degree point angle and solid carbide with bright finish for 4xD drilling without pecking in non ferrous material. Improved wear resistance
Used with all CNC machine applications
Increased productivity and extended tool life
4 facet point helps with self centring and reduces cutting forces