Hex Head Cap Screw, System of Measurement Metric, Basic Material Steel, Material Grade Class 8.8, Fastener Finish Zinc Plated, Dia./Thread Size M12-1.75, Fastener Length 55 mm, Fastener Thread Direction Right Hand, Fastener Thread Type Metric Coarse, Fastener Thread Style Partially Threaded, Fastener Industry Standards DIN 931, Head Type Hex, Min. Thread Length 30 mm, Head Height 7.5 mm, Head Width 19 mm, Package Quantity 150