Suitable for alloyed and unalloyed steel up to a tensile strength of 900 N/mm², non-ferrous metals, gray cast iron, and hard plastics. High elasticity due to hot-formed production. Low risk of breakage, especially when drilling below diameter 6 mm. Spiral flute with oxide coating for rapid chip removal. Long tool life due to robust core thickness and pronounced hardness in the working area. Twist drill made of high-speed steel according to DIN 338. Right-hand cutting twist drill type N, drill point 118°, diameter tolerance h 8. Roll-rolled spiral with ground chamfer, steam tempered. Insertion end corresponds to drill diameter, drill color: black. Double flute, cylindrical, double spiral. Note: Use universal cutting oil when working with metal drills HSS-R. Pack of 10. 3.5 x 39 x 70 mm.