Thread-Forming Screw, Finish Zinc-Plated, Material Steel, Head Style Pan, Drive Star, Thread Size M1.6×0.79, Fastener Length 4 mm, Head Type Pan, Head and Washer Height 0.1 mm, Drive Size T4, Dimensional Standards ASME B18.6.3, SAE J933, Maximum Head Width 3 mm, Minimum Head Width Not Applicable, Maximum Head Height 0.1 mm, Minimum Head Height Not Applicable, System of Measurement Metric, Drill Bit Size 1.45 mm, For Use in Systems Thermoplastics, Head Height 0.1 mm, Head Width 3 mm