ITEM NAME:6pcs 1/4 "Hex shank M3-M10 Titanium Thread Cutter Hexagonal Shank Drills Tool Description Specifications: 100% brand new and high quality Made of high hardness HSS, rustproof, solid and durable and long-lasting Self-centering point design, no need for central drilling or punching Drilling and tapping in one step, saves processing and time, and improves work efficiency Suitable for drilling/tapping/cutting on soft metal, aluminum plate, iron, plastic, etc Material: HSS Color: Gold Size: M3, M4, M5, M6, M8, M10 Shank: 6.35mm(1/4 ") hex shank Package Include: 6pcs Hexagonal Drills Set Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display..6pcs Hexagonal Drills Set. Size: M3, M4, M5, M6, M8, M10. Shank: 6.35mm(1/4 ") hex shank. Detail Image. The colors may be a little difference for the different monitor display.