Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade Class 8.8 Fastener Finish Plain Dia./Thread Size M18-1.50 Fastener Length 45 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 45 mm Head Height 11.5 mm Head Width 27 mm Package Quantity 25