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A307A

A307A

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.

Grades: 
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: Non-headed 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 supplementary requirement. 

Recommended Nuts:
A563 Grade A hex (NOT HEAVY HEX)

Recommended Washers:
All A307A Bolts are to be used with standard F844 Washers (SAE + USS)