Mesee 9 Pieces Spiral Flute Tap Set, Titanium Coated Hss Metric Thread Machine Mesee Titanium Coated HSS Spiral Flute Tap Set Metric Machine Screw Thread Tap Set Thread Tapping Tool - Made from High-Speed Steel 6542, coated with titanium, high hardness and rust resistance. - Spiral Flute Design, good chip removal effect, can tap to the bottom of the blind hole. - Come with 9 different thread tap sizes that can meet your various need in daily work. - Ideal Thread Tapping Tool is suitable for bicycle repair, assembling furniture, machinery manufacturing, etc. - Used on drilling machines, tapping machines, CNC and milling machines. Not suitable for hand electric drills. - The machine tap set can be used for processing iron, aluminum and other materials. Like stainless steel, cast iron and other difficult-to-machine materials, please choose cobalt taps. Specification: Material: HSS 6542 Head Type: Spiral Pointed Head (M2-M6) Spiral Flat Head(M8-M12) Tap Size: M2*0.4mm M2.5*0.45mm M3*0.5mm M4*0.7mm M5*0.8mm M6*1mm M8*1.25mm M10*1.5mm M12*1.75mm Package Included: 9 x Spiral Flute Thread Taps 9pcs Countersink Thread Tap Drill Bits with Different Thread Diameter: M2, M2.5, M3, M4, M5, M6, M8, M10, M12 Made of high-speed steel 6542 with titanium coated for high hardness, wear and heat resistance, durable for long term. Spiral Tap the crumbs into a spiral up chip evacuation, it is more suitable for the processing of blind holes and not easily broken tap. Self-centering point, no need for assistant center drilling or center punching. Perfect for cutting and renewing external and internal threads to exacting standards. Complete hole drilling, tapping, deburring and countersinking in one operation with a power drill, Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.