Hex Head Cap Screw System of Measurement Metric Basic Material Steel Material Grade Class 10.9 Fastener Finish Plain Dia./Thread Size M6-1.00 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 18 mm Head Height 4 mm Head Width 10 mm Package Quantity 100