Fully Threaded Stud B7 Alloy Steel Grade B7 Finish Plain Thread Size 1/2-13 Overall Length 3 In Thread Type UNC Thread Direction Right Hand Class 2A Min Tensile Strength 125 000 PSI Temp Range 900 F Rockwell Hardness HRC 35 Max Meets/Exceeds ASTM A193/A193M Package Quantity 280