Well Nut System of Measurement Inch Insert Diameter 1/4 in Overall Length 19/32 in Installed Length 19/32 in Thread Size 1/4 In.-20 Thread Direction Right Hand Thread Type Coarse Flange Diameter 0.625 in Material Rubber Finish Plain Body Texture Smooth Compatible Material Metal Maximum Hole Diameter 0.5 in Insert Nut Type Well Nut Body Type Not Applicable Thread Fit Not Applicable Package Quantity 25