Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade Class 8.8 Fastener Finish Plain Dia./Thread Size M12-1.25 Fastener Length 40 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 40 mm Head Height 7.5 mm Head Width 19 mm Package Quantity 50