Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade Class 8.8 Fastener Finish Zinc Yellow Dia./Thread Size M16-1.50 Fastener Length 50 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 50 mm Head Height 10 mm Head Width 24 mm Package Quantity 25