1/4-20 X 12 FT A193 B7 ALL THREAD ROD

Mechanical PropertiesGrade B7

Chemical PropertiesGrade B7

1. 1. For bar sizes over 3 1⁄2 in. [90 mm], inclusive, the carbon content may be 0.50% max. For the B7M grade, a minimum carbon of 0.28% is permitted, provided that the required tensile properties are met in the section sizes involved, the use of AISI 4130 or 4130H is allowed.