The Dormer Drill Bit is a jobber length drill with straight shank. It has diameter of 13.5 mm with an overall length of 160 mm and flute length of 108 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
