Most often larger size boxes of drywall screws are measured by weight not quantity of screws.
What size drywall screws for ceiling.
This means that the screw must be at least 1 inch long to securely hold the drywall in place.
What size and type of drywall screw should you use to hang drywall ceilings.
For example 1 5 8 inch coarse thread 6 screws will yield about 200 screws per pound.
Fine drywall screws for 20 to 25 gauge metal framing and self drilling drywall screws for 12 to 20 gauge metal framing.
If the result is five eighths of an inch or greater the screw is of adequate length.
The general rule for hanging ceiling drywall is to install the largest panels you can handle.
There are two types of screws designed for use in drywall to metal connections.
This guide covers the general consensus about drywall screw spacing and the number of screws per 1 2 inch drywall on framing members that are 16 inches on center.
To determine if a screw is the correct length subtract the width of the drywall you are installing from the length of the screw.
Screws that measure 1 1 4 inch in length are appropriate for sheets of drywall that are 3 8 1 2 or 5 8 of an inch thick while screws that measure 1 3 8 inches are meant for sheets of drywall up to of an inch thick.
If you re using 5 8 drywall for the ceiling you should use at least 1 5 8 coarse threaded drywall screws.
Coarse threaded drywalls screws are the best for wood joists.
Drywall screws sometimes called sheetrock screws provide a stronger hold but cost a bit more than nails.
Drywall screws are manufactured in various sizes to better accommodate each individual job.
Fine drywall screws feature smaller heads and are used to secure drywall to metal studs.
Self drilling screws and pan head screws can be used with metal studs or frames.
For example if you are installing five eighths inch drywall you ll need screws that are 1 1 4 inch or longer.
Coarse drywall screws feature coarse threads to secure gypsum boards to studs.