' Threaded Rod, Low Carbon Steel, Finish Zinc Plated, Thread Size 9/16-18, Overall Length 1 ft., Thread Direction Right Hand, Thread Type UNF, Color Silver, Class 1A, Temp. Range (F) Not Rated, Yield Strength (PSI) 45, 000, Tensile Strength 60, 000, Rockwell Hardness Not Rated, For Use With Nut and washer, Plumbing, General Repair, Electrical, Construction, Automotive Repair, Meets/Exceeds ASTM A108 '