5/8 INCH NOMINAL DIAMETER; 11 TPI; 35/64 INCH THICKNESS; 5/8 NOMINAL DIAMETER - FRACTIONAL; .625 NOMINAL DIAMETER - DECIMAL; 35/64 THICKNESS - FRACTIONAL; .5468 THICKNESS - DECIMAL; PACKAGING QUANTITY 50 PIECES PER PLASTIC BOX; FINISH/COATING ZINC PLATED