I AM LIVING IN A CONDO  AND HAVE A PROBLEM TO PUT ANCHOR IN THE WALL(DRYWALL?I DON'T KNOW TH EXACT TYPE OF THE WALL).WHEN I DRILL IT DOESN,T GO DEEP ENOUGH TO PUT ANCHOR COMPLETELY IN.SO IT CAN'T STAND HEAVY ITEMS.HOW CAN I FIGURE OUT THIS PROBLEM .I HAVE HEAVY ITEMS TO HANG.
THANKS