Helical Insert, Helical Insert Type Free-Running, System of Measurement Inch, Overall Length 1/2 in, Thread Size 1/2 In.-20, 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 1/2 In.-20, Drill Bit Size 33/64 in, Maximum Hole Diameter 0.4459 in, Tensile Strength 200,000 psi, Outside Diameter 0.62 in, Manufacturer Location Globally Sourced, Rockwell Hardness C43-C50