Square Head Bolts Stainless Steel 304 316  

Square head bolts were the industry standard prior to hex bolts gaining prominence. Square bolts are now most commonly used for aesthetic purposes to provide a rustic look in a new structure or to match existing fasteners in an older structure. Standard Thread Lengths Bolt lengths < 6″: Thread length = (2 X diameter) + 1/4″ Bolt lengths > 6″: Thread length = (2 X diameter) + 1/2″ Square Head Dimensions Bolt Diameter D F C H Body Diameter Width Across Flats Width Across Corners Height Max Basic Max…