12Pcs M3 M10 Thread Tap Tool, Hex Shank Titanium Plated HSS Screw Metric & Inch Drill Bits for Lathe Machine

MAIN FUNTION: These HSS drill and tap bits are great tools used to create screw threads, to cut or form the female portion of the mating pair. They are used on a machine to do the tapping, such as a lathe. IMPROVE WORK EFFICIENCY: Drill tap bits increase efficiency of by allowing for drilling and tapping to be accomplished in a single pass. Drilling and tapping at the same time, save you time and effort. MATERIAL: High Speed Steel (Titanium Coated). High hardness, rustproof, solid and durable. Taps are designed with spiral flutes and the chip clearing process would be better. COLOR: Metric: Gold, Inch: Silver. Their specifications are marked clearly on the surface, convenient to choose. QUANTITY: 12pcs. There are total 12pcs of taps in 2 different standards that you can use for tapping various threads.