Helical Insert Free Running 304 Stainless Steel Internal Thread Size M2.5x0.45 Thread Type MC Thread Direction Right Hand Length 2.5mm Free Coil Dia 3.45mm Tap Sizes M2.5x0.45 STI Aluminum Drill Size #37 Tensile Strength 200 000 to 250 000 PSI Rockwell Hardness C43-C50 For Metal Package Quantity 100