Threaded Insert System of Measurement Inch Insert Diameter 1/2 in Overall Length 39/64 in Installed Length 21/64 in Thread Size 5/16 In.-18 Thread Direction Right Hand Thread Type Coarse Flange Diameter 0.528 in Flange Thickness Not Applicable Material Stainless Steel Material Grade/Class 18-8 Finish Plain Body Texture Knurled Compatible Material Metal Drill Bit Size 1/2 in 33/64 in Maximum Hole Diameter 0.528 in Minimum Material Thickness 0.03 in