Fully Threaded Rod, Material Grade/Class Grade B7, Material Steel, Finish Black Oxide, Thread Size M42-4.5, Overall Length 1 m, Tensile Strength 125,000 psi, System of Measurement Metric, Thread Direction Right Hand, Color Silver, Material Quality Standards ASTM A193, Maximum Temperature 302 Degrees F, Minimum Temperature -58 Degrees F, Minimum Yield Strength 105,000 psi, Rockwell Hardness C35 Max