Hygienic Truss-Head Panel Screws Head Type Truss Material Stainless Steel Finish Polished Drive Open-End Spanner Thread Size M4 Fastener Length 6 mm Head Width 11 mm Head Height 3 mm Drive Size 6 mm Tensile Strength 200 N/sq mm Pack Size Small Minimum Thread Length 6 mm Type Hygienic Ball Head Screw System of Measurement Metric Thread Direction Right Hand