Home > Fasteners > Bolts > Square Head Bolts
Request for Quote

Square Head Bolts

Click image to enlarge
Square Head Bolts are threaded fasteners with a square shaped head for easy wrench installation and were widely used prior to the development of hex head bolts.
A307 Grade A Square Head Bolt, Galvanized (Inch)
A307 Grade A Square Head Bolt, Galvanized (Inch)
A307 Grade A Square Head Bolt, Plain (Inch)
A307 Grade A Square Head Bolt, Plain (Inch)
A307 Grade A Square Head Bolt, Zinc (Inch)
A307 Grade A Square Head Bolt, Zinc (Inch)

Square Head Bolts offer a large bearing area for positive gripping with an open or adjustable wrench. Length is measured from under the head. Head width or wrench size is measured across the flats.