High speed steel step cone drill bit set with a titanium coating to reduce friction and heat. Made of high quality high speed steel and finished with Ti for improved wear resistance and smoother cutting. Key benefits - Titanium coating reduces friction and heat, helping extend bit life and maintain cutting performance. - High speed steel construction provides durability and versatile performance across materials. - Step cone design enables progressive drilling for clean, drilled holes with minimal effort. - Suitable for a variety of materials, including steel, brass, wood, plastic, and more. Material and finish - Material: High Speed Steel - Finish: Ti Size, length, and compatibility - Size range: 4-32 mm - Length: approx. 4.02 inches - Available sizes: 4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 24 mm, 26 mm, 28 mm, 30 mm, 2 mm Use scenarios - Metal fabrication and repair: drill holes in steel or brass components for mounting, fasteners, or wiring passes. - Woodworking and plastic work: create clean holes in wood panels or plastic enclosures for hardware, cables, or fittings. - DIY and maintenance: enlarge or pilot holes efficiently in mixed materials during home projects, automotive work, or appliance repairs.