Press Insert Insert Type Knurled Press Insert System of Measurement Inch Overall Length 5/8 in Insert Diameter 29/64 in Thread Size 3/8 In.-16 Thread Direction Right Hand Thread Type Coarse Material Stainless Steel Material Grade/Class 18-8 Finish Plain Flange Style Flush Body Texture Knurled Number of Fins Not Applicable Compatible Material Plastic Drill Bit Size 7/16 in Minimum Material Thickness 11/16 in Maximum Hole Diameter 0.438 in Manufacturer Location Made in USA