38mm Drywall Screws (1000)
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Product Details
These coarse-threaded screws with bugle heads are specifically designed for attaching 12.5mm plasterboard to timber studs. Commonly called plasterboard screws or gypsum board fixings, their 38mm length ensures secure fastening without protruding through the board. While ideal for wood framing, they're not suitable for metal studs where finer threads would be preferred
As of May 2026, PriceNailer data confirms that the cheapest price for 38mm Drywall Screws (1000) is £2.40 from Selco across 6 suppliers. Prices have increased by 207.0% over the last 20 months.
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Frequently Asked Questions
How many 38mm drywall screws do I need per sheet of plasterboard?
You typically need 25-30 screws per standard 2400x1200mm plasterboard sheet. Space screws every 200-300mm along the edges and 400mm in the field, ensuring they're placed into timber studs.
What's the difference between 38mm and 32mm drywall screws?
38mm screws are designed for 12.5mm plasterboard to timber studs, providing better penetration into the timber. 32mm screws are typically used for 9.5mm boards or double-layer applications where shorter penetration is needed.
Can I use 38mm drywall screws for metal studs?
No, these coarse-threaded screws are specifically designed for timber studs. For metal studs, you need fine-threaded self-tapping screws that can cut through and grip metal effectively.
What drill bit size do I need for 38mm drywall screws?
You don't need to pre-drill for drywall screws as they're self-drilling. Use a screwdriver bit (typically PH2 Phillips head) with a drill/driver set to appropriate torque to avoid over-driving the bugle head.
How deep should 38mm drywall screws penetrate into timber studs?
The screw should penetrate at least 19mm into the timber stud for a secure fixing. With 12.5mm plasterboard, a 38mm screw provides approximately 25mm penetration, ensuring a strong connection.