Black phosphate collated screws for coil feed screwdrivers. Suitable dry wall applications in steel and wood. Manufactured to DIN1812; certified to 48 hour salt spray test. High quality non jamming tapes. Features and Benefits • Very fast and reliable auto-feed screwing. Minimal jamming • Symmetrical head-geometry with centring-tip for optimised results in the event of reinforcement • Applications: Autofeed, Drywall, dry-lining, plasterboard, steel and wood Specifications • Screw Head: PH2 • Gauge: 3.9 • Coating: Phosphate • Thread Type: Coarse • Size: 55mm • Screws per Strip: 50 • Pack Quantity: 20