Press Insert Insert Type Knurled Press Insert System of Measurement Inch Overall Length 1/4 in Insert Diameter 17/64 in Thread Size #10-32 Thread Direction Right Hand Thread Type Fine 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 1/4 in Minimum Material Thickness 3/8 in Maximum Hole Diameter 0.25 in Flange Diameter 0.262 in Installation Method Arbor Press