Rivet Nut System of Measurement Metric Insert Diameter 6.7 mm Overall Length 11.2 mm Installed Length 7.75 mm Thread Size M4-0.70 Thread Direction Right Hand Thread Type Coarse Flange Diameter 7.9 mm Flange Thickness 0.48 mm Material Steel Material Grade/Class 1010/1008 Finish Zinc Yellow Body Texture Knurled Compatible Material Metal Drill Bit Size 6.75 mm Maximum Hole Diameter 6.75 mm Minimum Material Thickness 0.5 mm Maximum Material Thickness 2 mm Insert Nut Type Rivet Nut