Hex Drive Threaded Insert, System of Measurement Inch, Insert Diameter 9/16 in, Overall Length 51/64 in, Internal Thread Size 5/16 In. -18, Thread Direction Right Hand, Thread Type Coarse, Material Zinc Alloy, Material Grade/Class Not Graded, Finish Plain, Drive Size M8, Drill Bit Size 7/16 in, Compatible Material Wood, Minimum Material Thickness 1 1/4 in, Maximum Hole Diameter 0.438 in, Flange Style Flush, Manufacturer Location Globally Sourced, Compatible with Grainger Part Number 4ZY12. This item has been restricted from sale in the following state (s): []