General description Faithfull HSS Drill Bit Set includes 19 high-speed steel (HSS) drill bits made from high-quality M2 grade steel, designed for precision and durability. Each drill bit features a fully ground flute and cutting tip with a 135-degree point angle and a split point for easy, non-slip starting. These features ensure accurate and efficient drilling in various materials, making the set ideal for metalworking, including alloy steels, carbon steels, cast iron, hardened steels, and stainless steels. The set is supplied in a sturdy metal storage case for convenient organization and transport. Technical specifications Number of drills: 19 Sizes: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm Material: High-speed steel (M2 grade) Standard: DIN 338 Compatibility and accessories Compatible with most drill chucks designed for standard drill bits Supplied with a metal storage case for organization Installation Insert