Attributes: * Thread Size: M3 x 0.5* Hex Shank Size: 1/4"* Drilling Length: 20mm / 0.79"* Total Length: 67mm / 2.64"What Is Included:2 Pieces x Combination Drill and Tap BitApplications & Features:--- This combination drill and tap bit set is suitable for processing holes. It can be used for tapping aluminum, stainless steel, bronze, hard plastics, etc.--- The combination drill and tap bit set allows for hole drilling, tapping, deburring, and countersinking in one step, saving processing time and improving efficiency.Useful Tips:--- When using the combination drill and tap bit set, it is recommended to use it on drilling machines, tapping machines, CNC, and milling machines.
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