The nails or screw are sunk because you are going to sand the surface after the mud is applied. You don't want screw or nail heads to be near as they rip sanding paper.
Sheet rock mud.
When installing drywall nails, it is best to space them evenly, drive them in straight, and sink them slightly below the surface of the drywall without breaking the paper. Use the right size and type of nail for the job, and avoid overdriving or underdriving the nails.
To properly screw in drywall for a secure and professional installation, use the correct length of drywall screws, typically 1 1/4 to 1 5/8 inches. Place screws about 12 inches apart along the edges and 16 inches apart in the center of the drywall. Make sure to sink the screws slightly below the surface without breaking the paper. This will create a smooth finish for mudding and taping.
To install a wall mount sink, first locate the studs in the wall where you want to mount the sink. Use a level to ensure the sink will be straight. Attach the sink bracket to the wall studs using screws. Place the sink on the bracket and secure it in place. Connect the plumbing fixtures and check for leaks.
To install a wall mount sink, first locate the wall studs for support. Use a level to ensure the sink is straight. Attach the sink bracket to the wall studs and secure it with screws. Place the sink on the bracket and connect the plumbing. Finally, seal the sink to the wall with caulk for a secure installation.
To connect a hose to a sink, you can use a hose adapter that screws onto the faucet. Simply remove the aerator from the faucet, attach the hose adapter, and then connect the hose to the adapter. Make sure the connections are tight to prevent leaks.
To install a bathroom sink cabinet, first measure the space where the cabinet will go. Then, assemble the cabinet according to the instructions. Next, secure the cabinet to the wall using screws and a level to ensure it is straight. Finally, attach the sink and plumbing fixtures according to the manufacturer's instructions.
Question is unclear. A double sink can use one drain, you would anchor the base to the wall the same as a single sink and the vanity is on top or in front of the drywall. If you are replacing a single sink with a double, the supply and drain could be in the vanity, you would not have to open up the wall.
they are steel, steel sinks
with duct tape
slowly
The general rule is that an object will sink if it has a greater density than the liquid in which it is placed.