Uxcell Combination Drill And Tap Bit Set M3 M4 M5 M6 M8 M10 With 1/4" Hex Shank Bluing Countersink Bit Spiral Flute Tapping Tool 6Pcs

Specifications:Bit Size: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5Hex Shank Size: 1/4" (6.35mm)Flute Length: 19mm / 0.75", 21mm / 0.83", 24mm / 0.94", 26mm / 1.02", 32mm / 1.26", 34mm / 1.34"Overall Length: 66mm / 2.6", 67mm / 2.64", 67.5mm / 2.66", 68mm / 2.68", 69mm / 2.72", 70.5mm / 2.78"Material: High-speed Steel 4341Surface Treatment: BluingColor: BlueDescriptions:1. Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.2. Quick Change 1/4 inch hex shank can be used on power tools more easily and securely. The shank has a tapered end. It exceeds the tap to prevent threads damage from over-drilling.3. High-speed steel taps features high hardness, wear resistance and durability. Bluing process is for corrosion resistance, capability, and long service life.4. Drill tap bits can drill or tap accurately on wood, plastic, copper, brass, aluminum, iron. Self-centering point, do not need assistant center drilling or center punching.5. Suitable for most hand electric drills, cordless drills, impact drills and other tap machine. Note: not work well with high hardness metal. Drill tap bits are engraved with accurate sizes for easy identification.Package Included:6pcs x Combination Drill and Tap Bits