Fully Ground Industrial Grade High Speed Jobber Drills to DIN338, with titanium Nitride coating to reduce friction and wear. Optimised tip angle for drilling stainless and alloy steels. Diameters - 3.0, 3.2, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5 and 7.0 mm.