Image: Builder Depot
Coarse thread drywall screw
Black screw with a wide thread.
- Where it is used: Board onto timber.
- Watch out: It must go deeper into timber than into metal.
Brands and types in the UK (2)
Speed Pro D4 3.5mm Drywall Screws Bright Zinc Plated
Fine thread drywall screw for fixing plasterboard to wooden battens, with bugle head and bright zinc plating.
Technical data
- Finish: Bright Zinc Plated (BZP)
- Drive Type: Phillips
- Head Type: Bugle
- Diameter: 3.5mm
- Thread: Fine
Source: Builder Depot
Shop: Builder Depot
View in shop ↗Image: Builder Depot
Wickes Coarse Thread Black Phosphated Plasterboard Screws
Coarse thread plasterboard screw for gripping and fastening plasterboard and drywall to wood or steel studding.
Technical data
- Thread Type: Coarse thread
- Diameter: 3.5 mm
- Length: 60 mm
- Head Type: Countersunk
- Drive Type: Phillips
Source: Wickes
Shop: Wickes
View in shop ↗Image: Wickes
Sources: product listings from Builder Depot, Wickes, checked on 31-10-2026. Photos are from Builder Depot (with permission) the manufacturer or the shop (shown under each photo); where there is no photo we show a drawing. Original Fixiz Academy text; data can change, always check the manufacturer data sheet.