Kitchen sink and the method of installing the same

A kitchen sink for flush mounting onto a countertop having a hole opening and a recess along the edge of the opening for the kitchen sink, comprising:

• (a) one or a plurality of sink basins thereon;
• (b) a deck having a substantially horizontal top surface and edges formed into a rim around the perimeter of the kitchen sink, wherein the top surface of the deck is adapted to be substantially flush with the counter top upon the sink is being mounted to the counter top, and the edges of the rim is being formed into a flange;
• (c) four corners of the sink being formed rounded such that when the sink is installed into the recess on the edge of the hole opening in the counter top, the flange is substantially flush with the counter top at a level surface thereof, whereby the kitchen sink is being mounted in flush fit of the deck with the counter top;
• and
• (d) a bracket mechanism having a U-channel stabilizing plate fitted onto an outer side of the sink basin, and a U-shaped bracket placed onto the U-channel stabilizing plate, wherein a top end of the U-shaped bracket has a hook for engaging an interior of the U-channel stabilizing plate, and a U-shape of the U-shaped bracket having a first top end at the hook and a second bottom end lowered than the hook.