Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade Class 10.9 Fastener Finish Plain Dia./Thread Size M16-1.50 Fastener Length 40 mm Fastener Thread Direction Right Hand Fastener Thread Type Metric Fine Fastener Thread Style Fully Threaded Fastener Industry Standards DIN 961 Head Type Hex Min Thread Length 40 mm Head Height 10 mm Head Width 24 mm Package Quantity 25