Hygienic Hex Head Screws Drive Hex Drive Size 8 mm Fastener Length 20 mm Finish Polished Flange Diameter 11 mm Head Height 7 mm Head Width 8 mm Material Stainless Steel Material Grade/Class Grade 316L Material Quality Standards AISI Minimum Thread Length 16 mm Pack Size Small Pack System of Measurement Metric Tensile Strength 500 N/sq mm Thread Size M5 Thread Style Partially Threaded Resistance Properties Corrosion-Resistant