Click image to view full size image
Square Head Bolt
Square head bolts have a large, square shaped head that allows for easy gripping when used with a socket or wrench.
The square head bolt can be make as per standard and according to customer drawing.
Standard: ASME B18.2.1
Material:Steel
Finish:Plain,Zinc Plating,Hot Dip Galvanzied
Grade:Grade 2,Grade5,Grade 8
Specification: SAE J429, ASTM A307
Thread: UNC & UNF, Class 2A
http://www.salesfasteners.net/