3.5x32mm Collated Drywall Screws, Black, Coarse Thread, 1000 pack

Specifically designed to be compatible with all leading power tool brands

25degree 'super sharp' point for ease of penetration
Surface hardened to prevent torque shearing under load
Cosmetically plated in black phosphate
Designed to pierce and drill into 0.9mm of metal channel (for larger gauge channel self-drilling drywall screws are recommended)

Driver bit size: Phillips No. 2