Best current price£9.98from B&Q
Shopping.co.uk recommended and popular offers
B&Q£9.98Visit shop B&Q - Professional Coarse Thread Drywall Screws 3.5X35mm (No.6 X 1 3/8")Pack Of: 20 Black Phosphate Bugle Head
Visit shop1 offer from £9.98
View price history by clicking the chart icon.
These Diyuk Professional Coarse Thread Drywall Screws are designed for trade professionals and DIY enthusiasts undertaking dry-lining and construction projects. They offer a superior, long-lasting hold when securing plasterboard to timber framework, ensuring an immaculate finish. A key benefit is their aggressive coarse thread, which provides exceptional pull-out resistance in softwoods. However, they are specifically intended for timber and are not suitable for metal studding.
| Colour | Black |
|---|---|
| Brand | DIYUK |
These screws are specifically engineered for securing plasterboard to timber and softwood framework due to their coarse thread design.
No, these coarse thread drywall screws are designed for timber. For metal studding, fine-thread drywall screws are recommended.
The black phosphate coating reduces friction for a smoother drive and provides essential corrosion resistance against moisture and rust in standard interior environments.
Drive the screw until the bugle head is just below the surface of the plasterboard, creating a clean dimple. This prepares the surface for filling and jointing without tearing the paper.
The bugle head is shaped to countersink effortlessly into the drywall face without tearing the paper. This creates a neat recess that is easy to fill, leading to a smooth, invisible finish after painting.
For most timber applications, pre-drilling is not necessary due to the aggressive nature of the coarse thread. However, in very soft or brittle timber, a small pilot hole might be considered.
You will need a standard Phillips (PH) screwdriver bit that fits securely into the screw head.
Ensure you are using the correct Phillips (PH) screwdriver bit. Check that the drill's clutch is not set too high, which can cause the bit to slip. Verify that you are driving into a timber stud and not encountering an obstruction.
Ensure the Phillips (PH) bit is fully engaged in the screw head. Use a good quality bit that is not worn. Apply firm, consistent pressure directly in line with the screw.
Reduce the speed of your drill or screwdriver. Lighten the pressure slightly as the screw head nears the surface. Ensure the bugle head is designed to countersink without tearing.
Confirm you are driving into solid timber and not a knot or compromised wood. Ensure the coarse thread is fully engaged in the timber. For very soft timber, pre-drilling a pilot hole might be beneficial, though typically not required.
Setup: Ensure you are using a powered screwdriver or drill with a Phillips (PH) bit. Set your drill's clutch to a low setting to avoid overtightening and stripping the screw head or damaging the plasterboard. Drive the screw until the bugle head is just below the surface of the plasterboard, creating a dimple ready for filling.
Compatibility: These screws are specifically designed for use with timber and softwood studs. They are not suitable for use with metal studding or hard materials where fine-thread screws are recommended.
Care: Store screws in a dry environment to prevent corrosion, especially if the packaging is opened. Avoid prolonged exposure to high humidity or direct moisture. After installation, the black phosphate coating provides basic corrosion resistance for standard interior conditions.
