Rivet Nut System of Measurement Metric Insert Diameter 6.7 mm Overall Length 11.9 mm Installed Length 7.75 mm Thread Size M4-0.70 Thread Direction Right Hand Thread Type Coarse Flange Diameter 9.9 mm Flange Thickness 0.76 mm Material Aluminum Material Grade/Class 5056 Finish Plain Body Texture Knurled Compatible Material Metal Drill Bit Size 6.75 mm Maximum Hole Diameter 6.75 mm Minimum Material Thickness 2 mm Maximum Material Thickness 3.3 mm Insert Nut Type Rivet Nut