Features:1 are designed with spiral flutes and the chip clearing job can be higher Processing: wood, plastic, aluminum, tin alloy, magnesium alloy, workpiece thickness lower than 5mm Hole tapping chamfering in one, easy to operate, hand drill, bench drill, hex chuck tapping mechanical device accessible There are complete 6 pieces of faucets in numerous sizes from M3 to M10 you could use for tapping assorted threads:Material: Hex Shank Titanium Plated HSS Screw Thread Metric Tap (short type with Chamfer)Tap Diameter:M3x0, M4x0, M5x0, M6x1, M8x1, M10x1 included:1/6 x High-speed metal Drill BitsNotes:1 Manual measuring, please enable just a little 1 ~ 2mm error, thank you Due to the variation between diversified monitors, the image won't replicate the particular shade of the object Please enable somewhat colour difference If you have any demand formore products,please touch us