Metal Drill Bit Set HSS DIN338 Cobalt Jobber (10 Piece, 3-7mm)

Fully Ground High Speed Jobber Drills to DIN338, with 5% cobalt content for additional resistance to heat. 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.