A hex head bolt is one of the most common construction fasteners. Grade 2 (9307A) hex is widely used for all types of projects in various industrial sectors. Grade 5 and 8 are used in applications where stronger bolts are required. 

Dimensions: from 1/2″ to 2 3/4″ diameter 

1/2″ diameter up to 24″ in length 
5/8″ diameter up to 24″ in length 
3/4″ diameter up to 38″ in length 
1″ diameter in select lengths (10″, 12″, 14″ and 16″) 

All bolts over 10″ in length are only stocked in even lengths, anything uneven would be a custom order.