Helical Insert, Helical Insert Type Free-Running, System of Measurement Metric, Overall Length 8 mm, Thread Size M4- 0.70, Thread Direction Right Hand, Thread Type Coarse, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Tang Style Tanged, Compatible Material Metal, Compatible Tap Size M4- 0.70, Drill Bit Size 4.2 mm, Maximum Hole Diameter Not Applicable, Tensile Strength 200, 000 to 250, 000 psi, Outside Diameter 5.33 mm, Manufacturer Location Made in USA, Rockwell Hardness C43-C50. This item has been restricted from sale in the following state (s): []