Hex Head Cap Screw System of Measurement Metric Basic Material Stainless Steel Material Grade A2 Fastener Finish Plain Dia./Thread Size M20-2.50 Fastener Length 90 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 46 mm Head Height 12.5 mm Head Width 30 mm Package Quantity 5