Marson® MHN Series "H" Style Semi-Hex Body Rivetnut Insert, Unit of Measure: Metric, 1/4 Inch Diameter, 0.250 Inch Decimal Equivalent, Thread Size: M4x0.7 ISO-5H, 0.020 Inch (0.51mm) Minimum Grip, 0.079 Inch (2.01mm) Maximum Grip, 0.020 - 0.079 Inch (0.51 - 2.01mm) Grip Range, 0.375 Inch (9.53mm) Head Diameter, 0.027 Inch (0.69mm) Head Height, Low Profile Head, 0.250 Inch (6.35mm) Minimum Hole Size, E Drill Size, Body End: Open End, 0.385 Inch (9.78mm) Body Length, Set Body Length: 0.295 Inch (7.49mm), Installed Thread Depth: N/A, Steel Body Material, Material Detail: Steel 1008/1010, Zinc Clear Trivalent Chromate Body Finish, Finish Detail: Zinc Clear Trivalent Chromate Per ASTM B-633 Type I, Class 2, RoHS Compliant Yes