1. Spiral Flute Tap Size: Thread Size: 1/220 UNF, Shank Side Width: 7mm / 0.28 inches, Thread Length: 27mm / 1.1 inches, Overall Length: 85mm / 3.3 inches, Accuracy: B2 2. 6542 (M2) Speed Steel: Made from speed steel, the tap exhibits hardness, toughness, and wear resistance, enabling stable chip removal during cutting. Titaniumcoated taps enhance corrosion and oxidation resistance, extending service life, making them suitable for a wide range of applications. 3. Features: The tap features a spiral flute, plug chamfer, and righthand thread. Straight flute taps can remove chips downward, with clear threads and sharp cutting edges, ensuring fast and precise threading. The flutes on the tap facilitate the removal of chips and debris from the hole. 4. Applications: The tap can be used for drilling and threading stainless steel, aluminum, cast iron, alloy steel, carbon steel, nonferrous metals, plastic, etc. Suitable for drilling machines, tapping machines, CNC machines, and milling machines. Use cutting oil to improve machining accuracy and reduce the risk of breakage.