Rivet Nut, System of Measurement Metric, Insert Diameter 13.5 mm, Overall Length 21.3 mm, Installed Length 10.8 mm, Thread Size M8-1.25, Thread Direction Right Hand, Thread Type Coarse, Flange Diameter 17.4 mm, Flange Thickness 0.89 mm, Material Steel, Material Grade/Class 1010/1008, Finish Zinc Yellow, Body Texture Knurled, Compatible Material Metal, Drill Bit Size 13.5 mm, Maximum Hole Diameter 13.5 mm, Minimum Material Thickness 3.8 mm, Maximum Material Thickness 7.9 mm