Press Insert Insert Type Knurled Press Insert System of Measurement Inch Overall Length 3/8 in Insert Diameter 17/64 in Thread Size #10-32 Thread Direction Right Hand Thread Type Fine Material Stainless Steel Material Grade/Class 18-8 Finish Plain Flange Style Flanged Body Texture Knurled Number of Fins Not Applicable Compatible Material Plastic Drill Bit Size 1/4 in Minimum Material Thickness 7/16 in Maximum Hole Diameter 0.25 in Manufacturer Location Made in USA