75mm (Collated) EVOLUTION Coarse Thread Drywall Screw - Box of 500 fire The embossed dark grey upper

The embossed dark grey upper surface reduces glare and takes a chalk line marking

but they also create a moisture barrier

sarking membrane and roofing underlayment

Impermeable to water and can be used in damp conditions without any loss to the insulating properties

75mm (Collated) EVOLUTION Coarse Thread Drywall Screw - Box of 500 fire The embossed dark grey upperEvolution Coarse Thread Drywall Screws are great for fixing plasterboard and timber. They can be used with the Philips 2 drive bit via their Bugle head and have a super sharp point, perfect for easy insertion into the surface being secured. Size: 3. 5x75mm Box Contents: 500 Effective Thread Length: Fully Threaded Fixture Thickness: 55mm Head Style: Bugle Drive Bit: Phillips 2 Recommended Drill Speed: 2000 3000 RPM Coating: Black Phosphate Material: