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.-20 Thread Direction Right Hand Thread Type Fine Flange Diameter Not Applicable Flange Thickness Not Applicable Material Stainless Steel Material Grade/Class 18-8 Finish Plain Body Texture Knurled Compatible Material Metal Drill Bit Size 47/64 in Maximum Hole Diameter 0.733 in Minimum Material Thickness 0.733 in