Features Multipurpose Tool: The design of the drill bit is 135 degrees, and the drill tip takes into account both the drilling body and tapping functions. Smooth Surface: The smooth surface of the drill bit makes the tapping process smoother and is designed for assembly line production, which is very practical. High Speed Steel Material: The drill tap is made of high speed steel, with high hardness, no deformation, rust resistance and wear resistance, strong and durable. Main Application: This drill bit can be used in thick cast iron, thick steel, die steel, stainless steel, aluminum alloy, iron and other tapping work, a wide range of applications. Storage Box: Six different sizes of taps are neatly stored in a storage box, making the taps easier to carry and organize. Specification: Item Type: Hex Shank Combination Drill Tap Material: HSS Application: Used for thick cast iron, thick steel plate, die steel, stainless steel, aluminum alloy, iron and so on Tap Size: M3, M4, M5, M6, M8, M10 Package List: 6 x Tap 1 x Plastic Box Package List 6 x Tap 1 x Plastic Box