Features Compatible: The combination drill tap can even be used for drilling 2mm 304 steel plates. Ti coating, anti‑rust. Suitable for drilling certain types of carbon steel and ordinary steel, copper and aluminum magnesium alloys. Long Service Life: The hex shank screw tap uses 6542 high‑speed steel material, higher hardness and more durable. Good quality can not only provide a safer guarantee for your life, but also good materials can prolong the service life of products. High Work Efficiency: Supports drilling and tapping together,via one‑step processing, this drill bit greatly saves processing steps and time costs, and improves work efficiency. High Performance: Entitled with practical adoptability, such drill bit's high quality can keep its high performance for a long time. Tapping on a machine is usually more accurate because it eliminates human error. Practical: Excellent tool for making threads, cutting or for forming pairs of concave portions. Specification: Item Type: Hex Shank Screw Tap Material: High speed steel Total Tap Length: Approx. 68mm / 2.7in Drill Bit Diameter: Approx. 5mm / 0.2in Tooth Distance: Approx. 1mm / 0.04in Thread Tolerance Grade: H2 Function: Internal chip removal Diameter: Approx. 6mm / 0.2in Package List: 10 x Hex Shank Screw Tap Package List 10 x Hex Shank Screw Tap