CSA STANDARD C83.23: CHARPY LEVEL 1 IMPACT PROPERTIES, STEEL SPECIALLYSELECTED FOR COLD WEATHER APPLICATIONS.1/2 IN DIAMETER X 1.5 IN LONGMACHINE BOLT. ALSO CALLED CROSSARM BOLTS OR THROUGH BOLTS. BOLT INCLUDESONE SQUARE NUT. BOLT HAS 7,575 POUND (33.7 KN) RATED TENSILE STRENGTH.HOT DIP GALVANIZED STEEL PER CSA G164-M