1.Spiral Point Tap Size: Thread Size: 1/2-13 UNC, Shank Side Width: 7mm / 0.28 inch, Thread Length: 28mm / 1.1 inch, Total Length: 85mm / 3.3 inch, Accuracy: B2 2.6542 (M2) High Speed Steel: Made of high-speed steel, the tapping bit has high hardness, toughness and wear resistance, and can stably remove chips during cutting. Titanium-plated threading taps can improve corrosion and oxidation resistance, extending life, which is very suitable for a wide range of applications. 3.Features: Thread tapping bit features spiral point, plug chamfer and right hand thread cutting. Straight groove taps can remove chips downward, with clear threads and sharp cutting edges, ensuring fast and accurate tapping. The grooves on the tap facilitate the removal of chips and debris from the hole. 4.Applications: Screw tap can be used for drilling and tapping of stainless steel, aluminum, cast iron, alloy steel, ordinary steel, non-ferrous metals, hard plastics, etc. Suitable for drilling machines, tapping machines, CNC machine tools and milling machines. Use with tapping oil to improve processing accuracy and reduce the probability of breakage.