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Plasterboard Screws
Shop plasterboard screws at MGN Builders Merchants for fixing boards to timber or metal framing on internal walls, partitions and ceilings. Choose from coarse and fine thread drywall screws in lengths from 25mm to 100mm, plus collated options for compatible screw guns.
Drywall Screws Fine Thread Black Phosphate 4.8 x 100mm - Box of 250-£1.34From £12.34 £10.28 From £13.68
Choosing Plasterboard Screws for Your Frame
Choose dry lining screws according to the supporting material, total board thickness and installation requirements.
Coarse thread drywall screws are commonly used for fixing plasterboard to timber studs, battens and ceiling joists. Their wider thread spacing provides grip in timber.
Fine thread drywall screws should be selected according to the product’s stated substrate compatibility. When fixing to metal studs and tracks, check that the screw is approved for the metal profile and its thickness.
What Size Screws Do You Need for Plasterboard?
Screw length must accommodate the full board thickness and provide the penetration required by the installation specification. For double-layer boarding, include both sheets in the measurement.
Check the thickness of your standard plasterboard before ordering. A screw suitable for a single layer may be too short for multiple layers.
For fire resistant, acoustic and insulated plasterboard systems, follow the specified screw type, length and fixing centres. Longer screws should only be used where suitable for the construction.
Loose or Collated Drywall Screws?
Loose plasterboard screws suit repairs, smaller installations and jobs where screws are fed individually. Use a suitable driver with controlled depth to avoid damaging the board.
Collated plasterboard screws come in strips for compatible auto-feed screw guns or attachments. They reduce individual screw handling during repetitive fixing on larger walls and ceilings.
Our collated range includes coarse and fine thread options in 32mm, 38mm and 50mm lengths. Check screw length and strip compatibility with your tool before purchasing. Compare box quantities too, as pack sizes vary across the range.
Black Drywall Screws & Driving Depth
Black phosphate drywall screws are intended for dry internal conditions. For damp or exposed applications, check the specified corrosion protection rather than selecting by colour alone.
A bugle head helps the screw seat into plasterboard while reducing damage to the paper facing. Follow the board system’s guidance on head position. Avoid leaving heads projecting above the surface or driving them through the paper.
For a taped joint finish, use suitable jointing compound and plasterboard tape as required by the finishing system.
Plasterboard Screws or Plasterboard Fixings?
Plasterboard screws attach sheets to the supporting framework. For attaching items to an existing hollow plasterboard wall, choose suitable plasterboard fixings based on the load, board thickness and available cavity depth.
FAQs
Why are plasterboard screws different?
Plasterboard screws have a bugle head designed to seat into the board while reducing damage to the paper facing. Their thread and point are selected for the supporting material. Use screws specified for plasterboard installation rather than assuming a general-purpose wood screw of the same length is suitable.
Can I screw directly into plasterboard?
When installing sheets, the screw must pass through the plasterboard and engage the supporting timber or metal frame. For hanging items, use suitable plasterboard fixings or an appropriate fixing into a supporting stud, as specified for the fitting and its load. A screw driven into the board alone should not be treated as a rated fixing.
How many screws do I need per sheet of plasterboard?
There is no single screw count that applies to every plasterboard sheet. The quantity depends on the sheet size, framing layout, number of board layers and specified screw spacing. Count the fixing positions along each support behind the sheet, including the required edge and intermediate fixings. Walls and ceilings can use different fixing patterns, so calculate quantities from the installation layout.
Do plasterboard screws rust?
Steel plasterboard screws can rust when exposed to moisture. Black phosphate screws are intended for dry internal conditions; the coating does not make them waterproof or suitable for every damp or external application. Where greater corrosion resistance is required, use the fixing specified for that environment and board system.