Threaded Insert System of Measurement Inch Insert Diameter 3/8 in Overall Length 33/64 in Installed Length 9/32 in Thread Size 1/4 In.-20 Thread Direction Right Hand Thread Type Coarse Flange Diameter 0.4 in Flange Thickness Not Applicable Material Stainless Steel Material Grade/Class 18-8 Finish Plain Body Texture Knurled Compatible Material Metal Drill Bit Size 25/64 in 3/8 in W Maximum Hole Diameter 0.4 in Minimum Material Thickness 0.03 in