The Dormer Drill Bit is a jobber length drill with straight shank. It has diameter of 15 mm with an overall length of 169 mm and flute length of 114 mm according to DIN 338 standard. This bits has HSS with steam tempered finish and quick spiral for 4xD drilling without pecking in stainless steel. Reduces the cutting forces
135 degree split point helps to self centre
Suitable for both hand and machine use
Steam tempered finish helps stop work piece material from sticking to the cutting edge