1Made of high quality high speed steel with heat treatment, it is sturdy and durable. 2Drilling and tapping are combined together, one-step process, greatly save process steps and time, improve working efficiency. 3With 15mm available length,the drill bit is suitable for many works. 4Universal hex handle, high strength and hardness. 5Suitable for soft tapping metal, aluminum, iron.Features: _x000D_1. Made of high quality high speed steel with heat treatment, it is sturdy and durable. _x000D_2. Drilling and tapping are combined together, one-step process, greatly save process steps and time, improve working efficiency. _x000D_3. With 15mm available length,the drill bit is suitable for many works. _x000D_4. Universal hex handle, high strength and hardness. _x000D_5. Suitable for soft tapping metal, aluminum, iron. _x000D_ _x000D_Specification: _x000D_Condition: 100% Brand New _x000D_Item Type: Hex Shank Tap _x000D_Thread Diameter: 0.5mm _x000D_Material: High Speed Steel _x000D_Useful Length: Approx. 15mm / 0.6in _x000D_Handle Diameter: 6.35mm / 0.3in _x000D_Specifications: M3, M4, M5, M6, M8, M10 _x000D_System: Metric _x000D_Through Hole / Blind Hole: Through Hole _x000D_Function: Internal Chip Removal _x000D_Scope of Application: Machine _x000D_Coating: Type A: Silver Coated, Type B: Ti Coated, Type C: Blue Coated, Type D: Bronze Coated _x000D_ _x000D_Package List: _x000D_6 x Hex Shank Tap