This bolt spec is the most commonly used for any general application for bolting. This bolt spec is for bolts, anchor bolts and studs that have a minimum tensile strength of 60 KSI and these bolts are used for general applications.
|A||Headed bolts, threaded rods and bent bolts intended for general applications.|
|B||Heavy hex bolts and studs intended for flanged joints in piping systems with cast iron flanges.|
|C||Nonheaded anchor bolts, either bent or straight, intended for structural anchorage purposes. The end of a grade C anchor bolt intended to project from the concrete will be painted green for identification purposes. Permanent marking is a supplemental requirement.|
|Element||Grade A||Grade B|
A563 Grade A hex (NOT HEAVY HEX)
All A307A Bolts are to be used with standard F844 Washers (SAE + USS)