Machine Screw, Head Type Flat, Material Brass, Finish Plain, Drive Slotted, Thread Size M4, Fastener Length 20 mm, Head Width 8 mm, Head Height 2.7 mm, Tensile Strength 53,663 psi, Dimensional Standards DIN 963, DIN EN ISO 2009, Pack Size Small, Type Standard Machine Screw, System of Measurement Metric, Thread Type Coarse, Package Quantity 25