Helical Insert, Helical Insert Type Screw-Locking, 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 Nitronic 60, Finish Plain, Tang Style Tanged, Compatible Material Metal, Compatible Tap Size M4-0.70, Drill Bit Size 4.2mm, Maximum Hole Diameter Not Applicable, Tensile Strength 200,000 psi, Outside Diameter 5.334 mm, Manufacturer Location Made in USA, Rockwell Hardness C43-C50