Press Insert Insert Type Knurled Press Insert System of Measurement Inch Overall Length 5/16 in Insert Diameter 15/64 in Thread Size #8-32 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 7/32 in Minimum Material Thickness 3/8 in Maximum Hole Diameter 0.219 in Manufacturer Location Made in USA