Press Insert, Insert Type Knurled Press Insert, System of Measurement Inch, Overall Length 9/16 in, Insert Diameter 25/64 in, Thread Size 5/16 In.-18, Thread Direction Right Hand, Thread Type Coarse, Material Brass, Material Grade/Class C3604, Finish Plain, Flange Style Flush, Body Texture Knurled, Number of Fins Not Applicable, Compatible Material Plastic, Drill Bit Size 3/8 in, Minimum Material Thickness 7/16 in, Maximum Hole Diameter 0.375 in, Manufacturer Location Globally Sourced .