Dormer A1104.0-10 HSS Long Series Drill Bits 4mm (Box Of 10)  The Dormer A1104.0-10 is a pack of 10 HSS High Speed Steel Long Series Drill Bits with a straight shank. Diameter of 4mm with an overall length of 119mm and flute length of 78mm according to DIN 340 standard with 118° point angle. HSS with steam tempered finish for 6xD drilling without pecking in steel. Can be used in many different applications both hand held and machines for drilling many materials incl. steels, aluminium, stainless steel, cast iron and non ferrous metals Features: Premium HSS material 118 degree conventional point   Providing a strong point which is easy to re-grind Steam oxide finish Prevents work piece material from sticking to the cutting edge Long length series Recommended for drilling deeper holes / applications where increased reach is required Specification: Head Diameter: 4mm Cutting Length: 78 mm Overall Length: 119 mm Pack of 10