Helical Insert, Free Running Helical, 304 Stainless Steel, Internal Thread Size M10 x 1.25, Thread Type Metric Fine, Thread Direction Right Hand, Length 15 mm, Free Coil Dia. 12.38 mm, Tap Sizes M10x1.25 STI, Drill Size 10.25mm, Tensile Strength (PSI) 200,000 to 250,000, Rockwell Hardness C43-C50, For Metal, Meets/Exceeds -, Package Quantity 12