Helical Insert Helical Insert Type Free-Running System of Measurement Inch Overall Length 9/16 in Thread Size 9/16 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 9/16 In.-18 Drill Bit Size 37/64 in Maximum Hole Diameter 0.5024 in Tensile Strength 200 000 psi Outside Diameter 0.69 in Manufacturer Location Globally Sourced Rockwell Hardness C43-C50