42mm Drywall Screws (1000)
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Product Details
42mm drywall screws are designed for fixing plasterboard (drywall) to timber or metal studs in walls and ceilings. These screws feature a sharp point and are self-threading, allowing for quick installation without the need for pilot holes. The black phosphate or zinc coating provides corrosion resistance, making them suitable for areas where moisture may be present. Fine thread versions are best for metal studs, while coarse thread types grip better in timber. Supplied in boxes of 1,000, they are ideal for larger DIY projects or renovations where consistent, secure fixing is needed.
As of May 2026, PriceNailer data confirms that the cheapest price for 42mm Drywall Screws (1000) is £12.24 from Selco across 7 suppliers. Prices have decreased by 1.7% over the last 9 months.
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Frequently Asked Questions
What thickness of plasterboard can 42mm drywall screws fix?
42mm drywall screws are ideal for fixing single or double layers of plasterboard (12.5mm-15mm thick) to timber or metal studs. They provide sufficient penetration into the stud while preventing over-driving through the plasterboard face.
Should I use coarse or fine thread 42mm drywall screws?
Use coarse thread 42mm drywall screws for timber studs as they grip better in wood fibres. Fine thread versions are designed for metal studs and provide superior holding power in steel framework.
How many 42mm drywall screws do I need per square metre?
You'll typically need 20-25 screws per square metre of plasterboard. Space screws every 200-300mm along stud centres and 150mm around board perimeters for secure fixing.
Can 42mm drywall screws be used in moisture-prone areas?
Yes, 42mm drywall screws with black phosphate or zinc coating offer corrosion resistance suitable for bathrooms and kitchens. However, ensure you're using moisture-resistant plasterboard in these applications.
Do 42mm drywall screws need pilot holes?
No, 42mm drywall screws are self-threading with sharp points designed to penetrate plasterboard and studs without pilot holes. This saves time during installation and reduces the risk of board damage.