Countersunk PH2 Drywall Screws 4.2 x 75mm Black Phosphate Clam 100 S9DHB42075

This pack of black phosphate drywall screws is intended for fixing plasterboard to both timber and metal studwork during wall or ceiling installations. The screws measure 4.2mm in diameter and 75mm in length, making them suitable for securing thicker boards or reaching into deeper framing for added stability.

Typically used for drylining or partition projects, the countersunk head design allows each screw to sit level with the surface, supporting flush finishing before decoration. The PH2 Phillips drive is compatible with standard screwdriver bits, enabling straightforward installation across a range of site conditions.