Helical Insert Helical Insert Type Free-Running System of Measurement Inch Overall Length 15/16 in Thread Size 5/8 In.-18 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 5/8 In.-18 Drill Bit Size 41/64 in Maximum Hole Diameter 0.5649 in Tensile Strength 200 000 psi Outside Diameter 0.76 in Manufacturer Location Globally Sourced Rockwell Hardness C43-C50