Press Insert Insert Type Knurled Press Insert System of Measurement Inch Overall Length 1/4 in Insert Diameter 15/64 in Thread Size #8-32 Thread Direction Right Hand Thread Type Coarse Material Brass Material Grade/Class C3604 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 21/64 in Maximum Hole Diameter 0.219 in Flange Diameter 0.23 in