Helical Insert Helical Insert Type Free-Running System of Measurement Inch Overall Length 5/8 in Thread Size 5/16 In.-24 Thread Direction Right Hand Thread Type Fine Material Stainless Steel Material Grade/Class 18-8 Finish Plain Tang Style Tanged Compatible Material Metal Compatible Tap Size 5/16 In.-24 Drill Bit Size 21/64 in Maximum Hole Diameter 0.2674 in Tensile Strength 200 000 psi Outside Diameter 0.47 in Manufacturer Location Globally Sourced Rockwell Hardness C43-C50