Quality Drill Bit Sets From Makita Manufactured to DIN 338 Highly efficient HSS-R drill bits suitable for drilling applications in steel and cast-steel alloyed and unalloyed up to 900N/mm² tensile strength, grey cast, malleable cast iron, die-cast metal, iron sinter, nickel-silver, graphite cast iron, short chipping aluminum alloys, bronze, brass, and hard plastics. Includes sizes: 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5mm. Features and Benefits: Suitable for drilling steel up to a tensile strength of 900 N/mm², non-ferrous metals, cast iron, hard plastics, etc High rotational precision Right-hand cutting twist drill bit Shank equal to drill bit diameter Technical Specification: Sizes included Ø - 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5mm Colour - Black Point Angle - 118° Standards - DIN 338 Bit Geometry - Standard Twist Bit