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. The bronze finish is a thin oxide layer formed on the tool surface and is an indication for 8 percent cobalt HSS E Drill. Top performer drill
Producing accurate sized holes
135 degree split point helps to self centre
Provide quality finish in high strength materials