ANCHOR SIZE 5/16 INCH; DRILL SIZE 5/8 INCH; EMBED DEPTH 1 INCH; LOAD RATING 2250 LB FOR 2000 PSI, 3020 LB FOR 4000 PSI, 3170 LB FOR 6000 PSI CONCRETE; MATERIAL ANTIMONIAL LEAD-ZAMAC 7 ALLOY; TPI 18; TYPE MACHINE BOLT; POWERS. BRAND