Is A Crankshaft Pulley Bolt Reverse Thread?

Is A Crankshaft Pulley Bolt Reverse Thread? The crank bolt is not a reverse thread. Which direction does the crankshaft pulley bolt turn? A crankshaft rotates either in clockwise direction or anticlockwise direction only. Means, if an engine is meant to be rotated in clockwise direction, it will rotate in clockwise direction only. Which way