Features: 100% brand new and high quality There are 6 types, M3x0.5mm, M4x0.7mm, M5x0.8mm, M6x1.0mm, M8x1.25mm, M10x1.5mm, selecting based on your work need. Suitable for fast drilling, tapping processing. It is recommended to be used on the tapping machine. In the process of use, the tapping part must be used at the slowest speed, and the workpiece must be used vertically. When using the electric hand drill, you should pay attention to the operation method. Excessive shaking and tilting will affect tapping and even break the tap Made of high-speed steel and titanium coating, these tap drills are solid, durable and rustproof. It can helps you with tasks like drilling, tapping and chamfering in one bit for greatly save processing steps and time costs, improve working efficiency. Package Includes: 1x HSS Drill Bit Specifications: Material: High Speed Steel Tap Diameter: M3x0.5mm, M4x0.7mm, M5x0.8mm, M6x1.0mm, M8x1.25mm, M10x1.5mm. note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.