Fully Threaded Rod Material Grade/Class Grade B7 Material Steel Finish Black Oxide Thread Size 5/16 In.-18 Overall Length 2 ft Tensile Strength 115 000 psi System of Measurement Inch Thread Direction Right Hand End Type Straight Cut Dimensional Standards ASME B18.31.3 Color Black Made in North America Yes Manufacturer Location Made in USA Material Fabrication Roll Thread Material Quality Standards ASTM A193 Maximum Temperature 302 Degrees F Minimum Temperature -58 Degrees F