6PCS Hex Shank Tap Drill Bit Set High Speed Steel Spiral Threading Tapping Chamf

Feature: \n 1. MULTI PURPOSES: 3 in 1 tap drill combination, which can be used for drilling, chamfering and tapping, suitable for more processing projects.\n2. SPIRAL DESIGN: These taps are spiral design to avoid damage caused by excessive drilling, and allow all work to be completed at one time.\n3. HEX SHANK: These spiral taps have standard hex shank, convenient for installation, suitable for manual drilling machine and workbench.\n4. METAL STRUCTURE: Made of excellent high speed steel, with ti plating treatment, these taps have high hardness, wear resistant and durable.\n5. HIGH EFFICIENCY: Even the centering tip does not need assistance or punching, greatly improving the tapping and chamfering efficiency. \n\nSpecification: \n\nItem Type: Tap Drill Bit Set\nMaterial: High Speed Steel, Ti Plating\nProduct Size: \nBit Thread: M10, M8, M6, M5, M4, M3\nBit Length: Approx. 60mm / 2.36in, 59mm / 2.32in, 57mm / 2.24in, 56mm / 2.2in, 55mm / 2.17in, 54mm / 2.13in\n\nPackage List: \n :