Bestgle 5Pcs High Speed Steel HSS 6542 Spiral Point Threading Tap, Titanium Coated Machine Taps Machining Screw Thread Tap Set Metric M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25

These metric tap set is M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25 to meet your different needs, Made of high-quality HSS material with titanium coating, offering high hardness and toughness to ensure long service life., The lower chip discharge debris can be tapped to the bottom of the pass, cutting without residue, creating a smooth chip discharge., Machine taps are suggested to be used with tap chucks with overload protection. Before tapping, please confirm whether the diameter of the round hole is appropriate., Great for through-hole threads, not for blind hole tapping, also can be used for drilling and tapping stainless steel (below 30HRC), aluminum, die steel, ordinary steel, non-ferrous metals, hard plastics, etc.