Hex Head Cap Screw, System of Measurement Metric, Basic Material Stainless Steel, Material Grade A4, Fastener Finish Plain, Dia./Thread Size M8-1.25, Fastener Length 40 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 22 mm, Head Height 5.3 mm, Head Width 13 mm, Package Quantity 50