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

About this item

• Feature: 1. MULTI PURPOSES: 3 in 1 tap drill combination, which can be used for drilling, chamfering and tapping, suitable for more processing projects. 2. SPIRAL DESIGN: These taps are spiral design to avoid damage caused by excessive drilling, and allow all work to be completed at one time. 3. HEX SHANK: These spiral taps have standard hex shank, convenient for installation, suitable for manual drilling machine and workbench. 4. METAL STRUCTURE: Made of excellent high speed steel, with ti plating treatment, these taps have high hardness, wear resistant and durable. 5. HIGH EFFICIENCY: Even the centering tip does not need assistance or punching, greatly improving the tapping and chamfering efficiency. Specification: Item Type: Tap Drill Bit Set Material: High Speed Steel, Ti Plating Product Size: Bit Thread: M10, M8, M6, M5, M4, M3 Bit Length: Approx. 60mm 2.36in, 59mm 2.32in, 57mm 2.24in, 56mm 2.2in, 55mm 2.17in, 54mm 2.13in. Package List: 6 x Spiral Taps Note: When drilling, the drill bit must be cooled by water injection at the same time. If the drill bit cannot be cooled during drilling, the drilling speed should not be too high and drilling should not be too frequent.MULTI PURPOSES: 3 in 1 tap drill combination, which can be used for drilling, chamfering and tapping, suitable for more processing projects. SPIRAL DESIGN: These taps are spiral design to avoid damage caused by excessive drilling, and allow all work to be completed at one time. HEX SHANK: These spiral taps have standard hex shank, convenient for installation, suitable for manual drilling machine and workbench. METAL STRUCTURE: Made of excellent high speed steel, with ti plating treatment, these taps have high hardness, wear resistant and durable. HIGH EFFICIENCY: Even the centering tip does not need assistance or punching, greatly improving the tapping and chamfering efficiency.