How to screw cabinets to each other?

We highly recommend the cabinets to be screwed together to avoid any movement or gaps between cabinets. We provide MS-8MMX1.125WSCR Drawer Front Screw to attach the cabinets. The screws should be placed in the front of the cabinets. One screw on top front corner of the cabinet and the front bottom of the cabinet (like show in the picture below).