Heat-Set Insert, Insert Type Heat-Set Insert, System of Measurement Metric, Insert Diameter 6.4 mm, Overall Length 8 mm, Thread Size M4-0.70, Thread Direction Right Hand, Thread Type Metric, Material Brass, Shank Type Tapered, Tapered End Diameter 5.2832 mm, Flange Style Flush, Number of Vanes 2, Compatible Material Thermoplastic, Drill Bit Size 0.208 in, Minimum Material Thickness 3 3/8 mm, Maximum Hole Diameter 5.9436 mm, Features Pull-Out Resistance, Finish Plain.