Threaded Insert System of Measurement Metric Insert Diameter 6.4 mm Overall Length 9.4 mm Installed Length 5.21 mm Thread Size M4-0.70 Thread Direction Right Hand Thread Type Coarse Flange Diameter 6.8 mm Flange Thickness Not Applicable Material Stainless Steel Material Grade/Class 18-8 Finish Plain Body Texture Knurled Compatible Material Metal Drill Bit Size 6.35 mm 6.52 mm 6.74 mm Maximum Hole Diameter 6.83 mm Minimum Material Thickness 0.762 mm