DIN 338 Cobolt 5% M35 steel Bright finish Drill tip, split-point ground at 135° Spirals are ground and angled at 30° to ensure effective chip removal Recommended for: Steel, stainless steel, aluminum, cast iron, brass, copper, plaster, wood and plastic Set contains the following drills: 1 - 1.5 - 2 - 2.5 - 3 - 3.5 - 4 - 4.5 - 5 - 5.5 - 6 - 6.5 - 7 - 7.5 - 8 - 8.5 - 9 - 9.5 - 10 mm