Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade Class 10.9 Fastener Finish Plain Dia./Thread Size M20-1.50 Fastener Length 130 mm Fastener Thread Direction Right Hand Fastener Thread Type Metric Extra Fine Fastener Thread Style Partially Threaded Fastener Industry Standards DIN 960 Head Type Hex Min Thread Length 52 mm Head Height 12.5 mm Head Width 30 mm Package Quantity 10