Thread Size: 5/16-18 UNC Shank Side Width: 5 mm (0.2 in) Thread Length: 22 mm (0.87 in) Total Length: 71 mm (2.8 in) Accuracy: B2 Material and durability 6542 (M2) High Speed Steel. Made of high-speed steel with high hardness, toughness and wear resistance to stably remove chips during cutting. Titanium-plated threading taps improve corrosion and oxidation resistance, extending service life and making them suitable for a wide range of applications. Key features - Spiral point, plug chamfer and right hand thread cutting for efficient tapping - Straight groove design helps remove chips downward, provides clear threads and sharp cutting edges for fast and accurate tapping - Grooves aid in removing chips and debris from the hole Applications and compatibility - Suitable for drilling and tapping stainless steel, aluminum, cast iron, alloy steel, ordinary steel, non-ferrous metals, hard plastics, and more - Compatible with drilling machines, tapping machines, CNC machine tools and milling machines - Use with tapping oil to improve processing accuracy and reduce the probability of breakage Use scenarios - Tapping stainless steel or alloy steel workpieces on a CNC milling machine for precision fasteners - Drilling and tapping aluminum housings or enclosures in automotive or appliance applications - Repair or fabrication work on cast iron components or hard plastics requiring reliable thread formation