Machine Screw Head Type Flat Material Steel Finish Zinc Plated Drive Slotted Thread Size M4 Fastener Length 20 mm Head Width 8 mm Head Height 2.7 mm Tensile Strength 60 900 psi Dimensional Standards DIN 963A DIN EN ISO 2009 Pack Size Small Type Standard Machine Screw System of Measurement Metric Thread Type Coarse Package Quantity 100