... -4.8mm. 2, Length: 6.5-70mm. 3, Material: C1022 4, finish: black/gray phosphated. DIN standard screws, ... plate Drywall screw: 1. Material: C1022,2. Diameter: 3.5 mm (6#), 3.9 mm (7#), 4.2 mm(8#), 4.8 mm ... (10#)3. Length: 16mm to 152mm, (5/8 – 6 inches ...