Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade A4 Fastener Finish Plain Dia./Thread Size M30-3.50 Fastener Length 90 mm Fastener Thread Direction Right Hand Fastener Thread Type Metric Coarse Fastener Thread Style Fully Threaded Fastener Industry Standards ISO 4017 Head Type Hex Min Thread Length 90 mm Head Height 18.7 mm Head Width 46 mm