Metric Structural Bolt Carbon Steel Fastener Finish Hot Dipped Galvanized Dia/Thread Size M16-2.00 Fastener Length 80 mm Fastener Thread Type Metric Coarse Fastener Industry Standards EN 14399-4 Thread Length 28 mm Fastener Thread Direction Right Hand Head Dia 27 mm Head Height 10 mm Tensile Strength (PSI) 1 000 N/sq mm Rockwell Hardness C32 to C39 Package Quantity 25