ITEM NAME:6 Pcs Combination Drill Screw Tap Bit Set, 1/4 In Hss Hex Shank Metric Comb K9U2 6 Pcs Combination Drill Screw Tap Bit Set, 1/4 In Hss Hex Shank Metric Comb K9U2 Composite Spiral Screw Tap Drill Material: High-speed steel(HSS 4341), Surface titanium plating, Metric: M3x0.5mm, M4x0.7mm, M5x0.8mm, M6x1mm, M8x1.25mm, M10x1.5mm, 1/4inch(6.35mm) hex shank. Brass Automatic Center Punch Tools with a powerful spring that automatically hits the surface when pressed; good steel tips and hardened points for instant marking Drilling, tapping, and deburring are completed in one step, which greatly saves processing steps and time and improves work efficiency. Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.Note:Low Speed and Cutting holes in materials Color: gold Material: steel Package include:6* Compound Tap Drill Bits 1* Automatic Center Punch Tool
