Features: * new unused *Made of high quality material, durable *3 in1:Drilling and tapping integrated 3 in 1 composite tap drilling and tapping integrated tapping hole, tapping, chamfering *Rotary tank structure: Made of high-speed steel material silver, and the surface is plated with gold *Standard hexagon shank design: 1/4 hexagon shank, suitable for more bench drills, more secure clamping without slipping *Applicable materials: suitable for wood, aluminum, iron and other materials with low hardness *Scope of use: suitable for fast drilling and tapping. It is recommended to use it on a tapping machine. Pay attention to the operation method when using the hand electric drill. Excessive shaking and tilting will affect the tapping and even break the tap. Specifications: Type:Tap Drill Bit Color:As pictures show Applicable :wood, aluminum, iron and other materials with low hardness ModelM3 M4 M5 M6 M8 M10(optional) Quantity:1pc Package Included: 1*Tap Drill Bit(optional) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.