Feature●?【Quality Materials】:Titanium Combination Drill taps are made of HSS 4341, which can ensure sharp, fast execution and retain strength and efficiency. The surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill, is more wear-resistant and prolongs the service life.●?【Easy Use】:Fast replacement composite cone tap set uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency●?【Quick Change】:1/4 inch Hex Shank of drill tap set fits into all power tools more easily and securely, especially for locking into quick change chuck. Hex shank has a tapered end to prevent excessive knocks. Back taper exceeds the tap to prevent over-drilling and damage to the thread●?【What You Will Have】: Metric tap set M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5.Shank:1/4 inch (6.35mm) hex shank●?【Widely Use】: Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc. Note:Low Speed and Cutting holes in materials (Thickness: <3mm)Description