General description Used to secure plasterboard to drywall and ceiling track systems with a maximum thickness of 0.6mm. These screws feature a Phillips No.2 recess for a positive drive and a bugle head that reduces the likelihood of damaging the board surface. The 25° super sharp point allows for ease of penetration, while the 60° twin-thread design offers excellent pull-out values and insertion. Technical specifications Size: 3.5 x 50mm Bit size: PH2 Colour: Black Passivated Box Quantity: 1000