Aesthetically pleasing square head look

Largely used in the locomotive industry

Increased strength for extra durability and toughness while maintaining good ductility

1 piece

1-1/8" diameter (-7 tpi threads per inch-standard)

8-1/2" inch's long (measured from under the head)

Square Head Machine Bolt Plain steel 

Grade 2  

ONE SQUARE NUT INCLUDED PER BOLT

Head = 1-5/8" Square, 3/4" thick