Connection 1/4" Hex Twist Thread Drill Bit HSS M3-M10 Bit Screw Countersink Hexagon Handle Metric Faucets Cobalt PlatedOOTDTY Features: There are 6 types, M3x0.5mm, M4x0.7mm, M5x0.8mm, M6x1.0mm, M8x1.25mm, M10x1.5mm, choosing according to your work needs. Suitable for high-speed drilling, tapping. 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 an electric hand drill, please pay attention to the method of operation. Excessive shaking and tilting will affect the knocking and even breaking the faucet! Made of high-speed steel and titanium, these faucet drill bits are sturdy, , and rust-resistant. It can help with tasks such as drilling, tapping and chamfering in one piece, which greatly saves processing steps and time costs, improves work efficiency. Specification: Material: High Speed Steel Tap Diameter: M3x0.5mm, M4x0.7mm, M5x0.8mm, M6x1.0mm, M8x1.25mm, M10x1.5mm. Package Included: 1x HSS Bit Drill Bit Note: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.