Hygienic Hex Head Screws Drive Hex Drive Size 27 mm Fastener Length 40 mm Finish Matte Flange Diameter 34 mm Head Height 15 mm Head Width 27 mm Material Stainless Steel Material Grade/Class Grade 316L Material Quality Standards AISI Pack Size Small Pack System of Measurement Metric Tensile Strength 500 N/sq mm Thread Size M20 Thread Style Fully Threaded Resistance Properties Corrosion-Resistant