Drywall screws with drill tip 3.5 x 35 mm, pack of 1000, drywall screws with drill tip, size 3.5 x 35 mm, full thread, this screw is used when plasterboard is to be screwed to reinforced metal substructures. (UA door profile with 2 mm thickness). The trumpet head closes flush with the surface. With the Philips drive PH 2, it is also ideal for quick work with the drywall screwdriver, phosphated steel, approx. 45 screws per plasterboard are used. Suitable for industrial and commercial use