The Dormer Drill Bit is a jobber length drill with straight shank. It has diameter of 11.5 mm with an overall length of 142 mm and flute length of 94 mm according to DIN 338 standard. This drill bit has 118 degree 4 facet point, HSS with brazed carbide tip with bright plus steam tempered finish for 4xD drilling without pecking in cast iron.

4 facet self centring point
For both conventional and CNC machines
Provide good economical choice when drilling cast iron materials
High performance of a carbide drill with a strong and flexible body