These Timco 3.5 x 50mm Self Drilling Drywall Screws feature a countersunk bugle head to help prevent damage to the plasterboard, and a PH2 Phillips drive recess.
Used to secure plasterboard to drywall and ceiling track systems
Phillips No.2 recess for a positive drive
Bugle head to reduce the likelihood of damaging the board surface
25° super sharp point for ease of penetration
60° twin-thread offers excellent pull-out values and insertion speed
3.5mm (size 6)