Fully Threaded Stud Material Grade/Class Grade L7 Material Steel Finish Black Oxide Thread Size 1/2 In.-13 Overall Length 2 1/2 in Tensile Strength 125 000 psi System of Measurement Inch Thread Direction Right Hand Material Quality Standards ASTM A320 Maximum Temperature 752 Degrees F Minimum Temperature -150 Degrees F Minimum Yield Strength 105 000 psi Rockwell Hardness Max C38 Package Quantity 250