Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade Class 8.8 Fastener Finish Plain Dia./Thread Size M20-1.50 Fastener Length 80 mm Fastener Thread Direction Right Hand Fastener Thread Type Metric Extra Fine Fastener Thread Style Fully Threaded Fastener Industry Standards DIN 961 Head Type Hex Min Thread Length 80 mm Head Height 12.5 mm Head Width 30 mm Package Quantity 10