Phillips Bugle Head Drywall Screw Fine Thread Black Phosphate

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A drywall screw, also called a gypsum screw, is a self-tapping steel screw with countersunk head. It's phosphate coated to protect it from corrosion. Drywall screws are commonly used in attaching plasterboard, gypsum board, or plaster of Paris work to timber supports or Gypframe C or I studs.

Drywall screws are another name for gypsum screws. used in work using plaster of Paris and gypsum board. Plasterboard is fastened with self-drilling, self-taping, cross-recessed, and black phosphated Uniscrew Gypsum screws that also have greater rust resistance.

Set a Screwing Interval
For walls, most professionals secure drywall panels with screws driven every 8 inches along the edges, and every 16 inches through the center (field) of the panels. A typical 4 x 8-foot sheet of drywall will require about 32 screws when installed on a wall. For ceiling panels, the field interval is usually shortened to 12 inches, with the same 8-inch edge intervals.

To avoid damage along the edges of the drywall panels, you may want to slightly offset the edge screws so they aren't abutting from panel to panel.

Most pros simply eyeball the position of the screws when driving them, but you can also use a pencil to mark the location for the rows of screws across the field. This can help ensure that you hit the studs as you drive the screws.

Illuminate the Wall
Sidelight on the wall will make it much easier to monitor the depth of the screws as you drive them. A painter's work light set to the side of your work area is great, but any ordinary lamp set close to the wall will cast enough sidelight to let you work effectively.

Prepare the Drill
Mount a new Phillips-head screw bit into your drill. Avoid worn bits, since they sometimes strip the screw heads. (You can also attach a drywall extension bit to your drill if you have one.) If your drill has a side handle, attach it for an improved grip.

If your drill has an adjustable clutch, adjust the drill's torque down to its lowest level, which will help prevent the drill from driving the screws too deep.

Begin Driving the Screw
You do not need to pre-drill drywall screws. Lean your weight against the drill as you begin driving the screw at a slow speed. Without enough pressure, the bit may strip the screw head as it gets farther into the wood. The more pressure you can create, the better control you will have as the screw head reaches the paper. As you drive, watch the progress of the screw from an angle.