Quick view 1-1/2"-6 X 3" Heavy Hex Bolts, Grade B Steel, Plain Heavy hex bolts have heads that are wider across flats and higher than standard hex bolts.Diameter (Nominal): 1-1/2"Thread Pitch: 6Length (Nominal): 3"Product Class: Externally Threaded FastenersOrder: Machine Thread FastenersCategory: Heavy Hex... $180.83 Select Quantity Compare