Hex Head Cap Screw, System of Measurement Metric, Basic Material Stainless Steel, Material Grade A2, Fastener Finish Plain, Dia./Thread Size M3-0.50, Fastener Length 40 mm, Fastener Thread Direction Right Hand, Fastener Thread Type Metric Coarse, Fastener Thread Style Fully Threaded, Fastener Industry Standards DIN 933, Head Type Hex, Min. Thread Length 40 mm, Head Height 2 mm, Head Width 5.5 mm, Package Quantity 50