Allen Nut System of Measurement Inch Insert Diameter 23/32 in Overall Length 47/64 in Installed Length Not Applicable Thread Size 7/16 In.-14 Thread Direction Right Hand Thread Type Coarse Flange Diameter Not Applicable Flange Thickness Not Applicable Material Steel Material Grade/Class Grade 2H Finish Black Oxide Body Texture Knurled Compatible Material Metal Drill Bit Size 47/64 in Maximum Hole Diameter 0.733 in Minimum Material Thickness 0.733 in